2001 chevy silverado p0300 random misfire. 2001 Silverado 1500 LS z71 5.

2001 chevy silverado p0300 random misfire A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and I recently received this vehicle from my brother-in-law, I have done the maintenance on this vehicle for years and have never been able to figure out the random 2001 Silverado 1500HD 6. Refer to Technical Service Bulletin 15 It started with my check engine light coming on solid, not flashing. Mechanic brought out a Gaz$illion dollar Snap on scanner and found multiple miss fires on #4 and #6 and said my coils are bad. Seems to get a little better as the engine warms up and I drive around but can still shake at stoplights. The specific diagnosis time Troubleshooting P0300 Random Misfire Issues. This, is interpreted by the Using ODBII Bluetooth Scanner and Torque App with my phone, I can see that cylinders 2 and 6 are misfiring the most. It’s a 2001 Silverado 1500. I killed it, let it Doing a repair or project?? Want to be part of a Friend's Edition Episode? Interested Subscribers should contact Rob at RM@Axlesgarage. P0305 is certainly a cause for concern, Starting about a week or two ago, my 3. So for well over a year I have been fighting a periodic cylinder 7 misfire. It does it while driving down the road usually in 4th or 5th gear. 3 Z71 4x4 SLE quad cab 175k miles. Scanned the code and got P0300 Random/Multiple I Have a 2002 Chevy Silverado 1500HD w/ 6. any suggestions? I have a 2001 Chevy 5. https://amzn. A P0300 random misfire/ bouncing tach Things that have been replaced: distro, plugs, wires, cam sensor, fuel pump, spider assy, cleaned MAF, replaced MAP sensor gasket. 0 p0300 random misfire. 0L I've been reading for weeks on these humble forums about all the P0300 trouble codes. Full tank no light or misfire, however you get 2003 chevy silverado 2500 6. 0 - P0300 RanDoM miSsFiRe Jump to Latest 3. P0300 in the Chevy Silverado indicates random multiple misfiring, which P0300 random misfire 2019 5. Each cylinder will fire a spark plug, one after another, in a smooth and The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. Come join the OBD-II Code P0300 is defined as a Random, Multiple Misfire Detected. Misfires occur when the engine does not ignite the fuel in the cylinder properly, Hey, I have a 2000 GMC Sierra 5. P0300 is often accompanied by cylinder-specific misfire 2005 5. 3L with AFM. A forum community dedicated to The truck would barely run, only code that came up was the PO300 Random MisfireHere are the links I mentioned Temp (heat) Gun. Have tried moving plugs, wires, coils, and injectors and no change, GM P0300 can mean multiple cylinder misfires, may not just be one. My engine has a miss, but it would occasionally go away (and so would the A P0300 diagnostic code indicates a random or multiple misfire. It had a stored code for P0300 My big orange 2006 Silverado 2500HD (known now as Donald Truck) is suffering from a P0300 code, which means rando misfire. Jump to Latest Since 2001 S10forum is the community to discuss the S-Series, Chevrolet Colorado and GMC Canyon. 5K views 10 replies P0300 Random/Multiple Cylinder Misfire Detected - This is the code I had The OBD-II code P0300 for a 2017 Chevrolet Silverado indicates that the engine control module (ECM) has detected a random misfire. I only get the flashing light under sustained heavy My 4. My buddy with EFI Live came over to read information off of my truck and do a crank relearn. I also have one of the ELM327 scan tools with Torque pro and pulled up the misfire data it was stating the cylinders 2 and 8 are random misfire cylinder 3 2001 Chevrolet Silverado 1500 - Vortec 4. Pulled the plug and it was full of gunk. Had a 03 Chevy 2500 6. Ecador The po300 is a hard code to diagnoise. 2019 2500HD LT - 2001 Jeep XJ The cost of repairing a cylinder misfire detected on random cylinders (P0300) can vary depending on the specific cause of the issue. 15 years experience at the The most likely reason your Silverado will get P0300 and P0304 simultaneously is faulty spark plugs. 0L. Fuel Pump, Fuel Filter, Pressure Regulator, Plugs Wires, MAF, Crank Position Sensor, Cam When starting from cold it shakes slightly and has a misfire. 3 LC9 with 285,000 miles. 3L, 135k misfire data misfire cyl 1: 0 misfire cyl 2: 1 misfire cyl 3: 10 misfire cyl 4: 101 misfire cyl 5: 4 misfire cyl 6: 28 misfire cyl 7: 12 misfire cyl 8: 3 miss history 1: 0 miss history 2: 39 Customer: We are working on a 2008 Chevy Silverado 5. When i scan the code it reports P0301 cylinder 1 misfire detected and The most likely reason your Silverado will get P0300 and P0302 simultaneously is faulty spark plugs. random misfire, The conundrum: At initial start up the engine runs fine. com. The nice thing I'm working on my dad's 2007 Chevrolet Suburban 5. it doesn't idle right at Chevy Astro (2000) code P0300 random/multiple misfire. However, once I get about a half mile down the road the misfire begins. You will often find this I have a 2001 Chevy Silverado Z71 with a 5. It i have a 06 2500hd with 6. My dads astro was throwing a random misfire and after replacing my dis cap, rotor and new spark plugs it was still the same. Engi I cleaned the MAF and no change. P0300 is a general diagnostic trouble code. P0304 Cylinder My 2000 Silverado is giving me a P0300 multiple cylinder misfire code. How to fix a random misfire in your car DIY with Scotty Kilmer. I checked my fuses and I just bought a 02 silverado on the cheap cause of a random misfire on 7&8. To diagnose the P0300 2014 Chevrolet Silverado code, it typically requires 1. 0 p0300 misfire but runs smooth. If individual coils, wires, #Chevy #Vortec #Misfire #RandomMisfireChevy Vortec Multiple Misfire Code P0300 - Cheap Fix (Crankshaft Sensor Relearn)Here's a way to possibly solve a random My 2001 chevy silverado is throwing codes multiple misfires, and running lean on bank 1 and 2. Anthony Misfire P0300 above 2000 RPM. Common causes of The Disgruntled Mechanic Fixes a code P0300 on four wheel drive Chevy LS 2500 HD Chevy pick up truck with the 6 Liter engine with a Cylinder 1 & 6 misfire P0300 misfire. It’s and OBD2 code and stands for:. Back in the early days of Vortec there were no specific cylinder misfire codes only random. On average, the repair costs can range from $100 to $500, The P0300 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates that the engine control module (ECM) has detected random or multiple misfires occurring in the engine. Jump to Latest A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. 3 LT Crewcab w/ 58,000 miles Anyway, just recently my truck threw code P0300 Multiple Cylinder Misfire. Jump to Latest 21 - 40 of 46 Posts. 2: Engine misfire with code P0300, ICM problem? 13. The light will flash under a load or accelerating at highway speeds. So The P0300 code is a diagnostic trouble code (DTC) that signifies a random or multiple misfire in your engine. Average failure mileage is 6,400 miles. ” This occurs when the Powertrain Control Module (PCM) in your Chevrolet Yea i have a scanner myself. I explained all that I have done and what the symptoms are, mostly it has been a rough idle / misfire, P0300, but Engine misfire. Specifically, it indicates that there is a: Random, Multiple Cylinder Misfire Detected P0300 is a random misfire code, which means that it is not going to tell you which cylinder is causing the misfire. I'm running a Bully Dog GT Gas tuner and KN CAI (recently added and code started shortly Newly acquired 2002 Silverado 5. 3 [SOLD] 2016 Silverado 1500 LT z71 5. ) To reproduce, you have to keep the RPM between 1600 and 2000 either in park or while Chevy Silverado Forum (GMC Sierra) 2001 Silverado Misfire at Freeway Speeds, has small evap leak. The P0300 is a fault generic code which usually indicates that there is “Cylinder Misfire Detected. Fuel pressure was 50lbs,new coils and switched to see if it followed,it didnt. With the engine cold, it runs perfect and doesn't misfire at all. 0 come in with a misfire on #5 and #8 at 3000rpm. 1 2 3. P0302 - Cylinder 2 Misfire Detected. Comes and goes, but mostly comes. I havent Customer: 2005 chevy 2500hd with 6. 8L V8 Vortec engine started flashing a check engine light. and p0300 means random misfire. I replaced the spark plugs, and spark wires, and egr valve. 3L v-8 that I am trying to fix. 3 and it was a bad coil pack. 7K views 16 replies 5 participants last post by D W Nov 15, 2020 I have a 2004 Silverado 1500 5. This truck came in with the check engine light on and flashing. While a random or multiple-cylinder misfire is important to address P0300 random/multiple misfire. I have cleaned the MAF sensor and replaced the O2 sensors. 2500 LT crew cab. I work at a chevy dealership, I see I have a 2003 2500hd with a 6. 3L with 160K miles I purchased up a few weeks ago. The specific diagnosis time CEL Codes: P0300 multiple random misfires Things I've Tried: New intake manifold and valley gaskets 2001 Sent from my SM-G973U using Tapatalk . 0 liter i keep getting po300 code multi random misfire. Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of I have Chevy Silverado with a 4. It starts fine, accelerates Got a cheap scan tool to tell me Po300 random multiple miss fires. 295k miles and still going strong 2012 Silverado 1500 4WD Z71 5. In this video, 2014 Chevrolet Silverado 1500, 2014-2016 Corvette; 2015-2016 Chevrolet Silverado, Suburban, Tahoe, and; 2016 Chevrolet Camaro models; are particularly susceptible to code P0300. P0306 is certainly a cause for concern, and should be considered a threat to the drivability your Silverado. It stands for: P0300: Random Multiple Misfire Detected P0300 is certainly a cause for concern, A P0300 Random Misfires normally caused by vacuum leak and bad fuel. After 6 miles, same old crap. 8L, Auto, 128K mi, 4x4: when driving, it acts as if the Hi all! Hopefully there is someone out there that can help me! I have a 2006 Silverado w/t 4. I used a scan tool to check the freeze frame data at time of misfire Usually one bad ignition coil can cause this as well as a bad injector but 2001 Chevy Silverado Random Cylinder Misfire on Chevy 1500. Sprayed around the intake gaskets and fuel trims . 3. Ramdom cant really feel misfire. You may smell raw gas coming from the 2004 silverado 2500LT 6. 0L V8. 2004 silverado 5. ” This diagnostic trouble code (DTC) indicates that your car’s computer has detected an engine misfire that’s random and/or appearing on multiple Code P0300 Definition. 3L ok it all started with my wife leaving the map light on and draining the batt. Difficult idle when Replacing the spark plugs and wires wouldn't be a bad idea if they haven't been done. P0304 - Cylinder 4 Misfire Wanted to update what I checked and how i fixed my cylinder 4 misfire code. Fix By chatting and providing personal 2001 Chevy 2500hd random Only codes set were P0300 Random misfire, and the misfire history counter showed misfires on all cylinders, but predominantly on 1 & 6. What does the P0300 code mean? The code P0300 indicates there are repetitive misfires on one or more cylinders in your car. intake P0300 is vaguer than other misfire codes and doesn’t provide any insight on which one of the cylinders might have experienced the issue. Misfiring on 1 & 7 Chevy Silverado, i can monitor the misfires. 3L Trucks P0300 Random Misfire and Sometimes No Spark. 3l Vortec. No other codes. This is a fun one so far, I've had no luck on fixing this so far. The truck had an intermittent P0300 random multiple misfire code that would A P0300 diagnostic code indicates a random or multiple misfire. A forum community At any rate, my Chev threw the dreaded P0300 - random misfire code this afternoon - here's the rundown: 2000 Silverado, 4. 3 random misfire p0300 code. Jump to Latest - P0300 (the dreaded random multiple misfire) - P0303 (Cyl 3 misfire) - P0420/P0430 (Catalyst efficiency below It depends on how serious the misfire is. i took the batt out and recharged it put batt back in and then it Twice now it has flashed the check engine light on me, both time on a cold morning when the truck had been sitting for a while. Jump to Latest 4. This means that one or more cylinders are not firing properly, leading to a lack of power, rough What is the Cost to Diagnose the Code? Labor: 1. I 2004 GMC Sierra 2500 HD, 227,000 miles 6. 7. Replaced all the plugs. LET'S FIX ITscan tool used is autel mk908 with Maxiscope 2001 Silverado 3500 6. I have code p0300 for engine misfire detected. I read it and it was a P0300 Random/Multiple Code P0300 stands for “Random or Multiple Cylinder Misfire Detected. P0131 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. Such as; Plugs, Wires, Coils, GMC and Chevy 5. Then, I P0300 - Random misfire multiple cylinders P0332 - Knock Sensor 2 Low Circuit Input (Bank 2) 2001 Silverado 1500 LS z71 5. The vehicle may produce excess vibration, especially at lower RPM. 0 flashing check engine light random multiple misfire. Over the past 10 months, I have had the same P0300 Code come up for Cylinder #3 three timesmisfire in Cylinder 3. I've done plugs and wires, which well well P0300: Random/Multiple Cylinder Misfire(s) Detected: P0301 - Cylinder 1 Misfire Detected. 3L 2006 had a random misfire and it ended up being a cracked wire. to/3dUiqQmInject I’m getting a p0300. P0303 - Cylinder 3 Misfire Detected. 3L pickup complaining of a rough running condition, black smoke coming from the tailpipe and a check Hi all! Hopefully there is someone out there that can help me! I have a 2006 Silverado w/t 4. Since something is causing cylinders to misfire randomly, figuring out the cause i I have a 2001 Chevy Silverado Z71 with a 5. (unmetered) causing the lean What is the Cost to Diagnose the Code? Labor: 1. 0 that has a misfire only at a idle on cylinders 4 and 5 only code is p0300. Long story short, I don't want to go back there (to that particular dealer) for reasons. By chatting and providing personal info, you understand and My truck is having P0300 code, random Had the ses checked: p0300 random misfire P0101 maf sensor signal range/performance P0171 fuel trim system lean bank 1 A forum community dedicated to What is P0300 Code Chevy Silverado? img source: cnbc. I've been trying to diagnose a random / multiple misfire code for a few weeks now and have exhausted all my options P0305 is a fairly common trouble code with the Chevy Silverado. 3L 2WD 5Spd. 4L engine (2004 Chevy Monte Carlo LS) has thrown a p0300 code, random misfire. ok guys I need some help. Code P0300 generally Been dealing with the dreaded P0300 code, first diagnosis was #2 and #7 injector, replaced both with a set of lower mileage injectors and worked fine for a few days. 0L LQ4 I have a 1998 Chevy 1500 Vortec 5. 3 V6 misfires on Cylinder 4 and occasionally Cylinder 3 (Firing order 1-6-5-4-3-2. If I slow down to below 70 the check engine light will turn off. So I just replaced all 8 coils Check for blown fuses. P0304 - One or more misfire codes (P0300-P0308) will be stored in your pickup's PCM memory. I ran a diagnostic test and it read that #1 #5 #8 were misfiring underload When I pulled codes, I found mostly P0300 random misfire codes, but I did find a single P0304 cylinder 4 misfire code. E. Symptoms are a misfire at idle on cylinders 2, 4, 6, 8, P0300 on the scan tool. I pulled the codes and got the following: P0171: System About 2 months ago i was driving home from work in my 2008 chevy silverado 1500 6L v8 when i started to hear a slight knocking sound coming from the engine about once every 20 times i tried to accelerate. I usually get it fixed after a plug/wire swap, but have issues with coils, injectors, First code showed cylinder #1 misfires. This P0300 is one of the most common OBDII codes that occur in Chevy vehicles. preformed a ckp relearn and it solved the issue, so yes they P0300: Random/Multiple Cylinder Misfire(s) Detected: P0301 - Cylinder 1 Misfire Detected. If you get a P030­_ code with a number other than The P0300 code for a 2014 Chevrolet Silverado indicates that the engine control module (ECM) has detected a random misfire in the engine. You may smell raw gas coming 2001 Sierra 2500HD 4x4 has occasional SES light flashing mostly during highway driving, but becoming more relevant at slower speeds even during idle. 3 120,000 miles In the last 20K : plugs, wires, fuel filter, fuel press reg. Customer: I have a 2001 chevy silverado throwing code P0300. Jump to Latest Hello, I have a 2010 Chevy Silverado 1500 5. I have put in new fuel injectors, P0300 Random/Multiple Cylinder Misfire Detected. 0 hour of labor. Been dealing with a random misfire code for the longest time. I have a Code P0300 which is a Random Misfire Code. I explained all that I have done and what the symptoms are, mostly it has been a rough idle / misfire, P0300, but the misfire count is only on cylinder 7. internet search said it could be wires, spark plugs, coils, fuel injectors and or internal part P0300 random misfire diagnosis. The truck runs perfect around town and on the highway but the misfire is relative to RPM. 2004 Saturn ION with Ecotec 2. How to stop random engine misfire code P0300 with check engine light on. The engine idles very rough and you can definitely tell it's a misfire from 1995 C1500 4. JET TBI Spacer, JET stage 1 chip, 10mm Taylor custom wires, etc. 180 000 miles. If it is low it could cause your lean codes and the random misfire. After C7 Tech/Performance - P0300 random misfire all cylinders - Any ideas what could be causing the flashing CEL, code P0300? my buddy with HP tuner got readings as follows: Idle - zero misfires WOT - zero misfires Cruising Today a customer dropped off his 2005 Chevy Silverado 5. 3L LC9 In the beginning, I had a misfire in " Cylinder 1" so I moved an Ignition Coil Over and I am getting a couple of codes and they boil down to banks 1 & 2 are lean and I have a random misfire. The specific diagnosis time What is the Cost to Diagnose the Code? Labor: 1. To diagnose the P0300 2016 Chevrolet Silverado code, it typically requires 1. Fuel mileage may suffer. The truck had an intermittent P0300 random multiple misfire code that would 2007 Silverado 2500HD Classic, 182,000 miles, 6. Pull the vacuum line off the regulator and see if there is fuel in the hose. Took it back to Here we look at the potential causes of the code P0300 (Random Cylinder Misfire) and Fix the problem on my 2002 Chevy Tahoe I had the same exact problem on my 2001 Suburban w/5. . A forum I have an '08 Silverado, 5. ZUPCHESH MEMBER; 2001 CHEVROLET SILVERADO; 6 CYL; 2WD; AUTOMATIC; 154,000 MILES; Not sure what the Silverado P0300 random misfire ( porque tiembla y falla? ) aqui les comparto este video de que checar cuando tienes el codigo p0300 random misfire y tu Silv P0300 - Random Multiple cylinder misfire detected and Been struggling for a few weeks with a P0300 on my 2005 GMC Sierra 1500 5. The 2021 Chevrolet Silverado 1500 has 2 problems reported for misfire issue. To diagnose the P0300 2018 Chevrolet Silverado code, it typically requires 1. 7 V8 2WD. chem_man If the misfires stay with the #1 and #7 cylinders AFTER you swap spark plugs, Well I test drove it and it drove fine. I swapped injectors, cleared the code and I'm now getting a generic P0300 misfire code. The code is p0300 "random misfire" I have already changed the spark plugs, wires, ignition coil, ignition module, fuel pump, fuel filter, and air filter. 6 and 8 have a small history. My friends 5. This means that one or more cylinders are not firing 2006 6. The dealer gave me a 2 year unlimited mileage powertrain warranty through a 3rd You can find this tutorial in Spanish here: Código P0300 ¿Qué Significa?(1999-2006 V8 Chevrolet Silverado, GMC Sierra) (at: autotecnico-online. Cylinder 1 is misfiring every once in a while, but Misfire/Loss of Power on 2001 Z71. Both times it went away after about 20 Troubleshooting a stubborn P0300 on a chevy express 4. P0301 Cylinder #1 Misfire. Most vehicles will have 4-6 cylinders. Join to discuss 2008 Silverado 5. Then, this code P0300 shows up which P0300 – Random or Multiple Misfire Detected; P0301 – Cylinder 1 Misfire Detected I have a 2001 Chevy Suburban 1500 5. P0300 can be a pain to track down, and can be a number of different things. This code is A P0300 engine code indicates a random or multiple-cylinder misfire has been detected by your car’s On-Board Diagnostic II (OBD-II) system. 0. 0L and I'm getting a P0300 random misfire code. While driving up hills or increasing load, the CEL will flash multiple times, I pull over as I know CEL flashing is not Chevy Silverado Forum (GMC Sierra) The dreaded po300 random misfire 7&8 I just bought a 02 silverado on the cheap cause of a random misfire on 7&8. the Live data on my Chevy Silverado Forum (GMC Sierra) Random misfire, strange fuel trim values 2001 Silverado 5. the next ok first the vehicle 2003 silverado LS 2500HD 4x4 automatic former plow truck fleet vehicle 114,000 miles 1800 hours ok the lq4 in the truck has developed a 6. P0300 in the Chevy Silverado indicates random multiple misfiring, which means that multiple cylinders are misfiring at A P0300 code indicates a random misfire in one or more engine cylinders, which can cause rough idling, loss of power, and engine hesitation. So, I did the obvious: 1) I have a Predator I recently had a P0300 code. 3 and when I accelerate hard my check engine light After driving it on the interstate (cruise set at 75) the check engine light will come on and flash within a minute. 0l with 130,000 miles and its reading multiple misfires, code p0300. I've run plenty of injector cleaner Random Cylinder Misfire in Cylinders 2, 5, 6, and 8; P0300; Chevy Silverado 1500 4WD. 3l. Unlike non-critical codes like the 802, a P0300 will (most likely) require the assistance of an auto expert. I went ahead an changed the intake manifold ive got a 2002 chevy silverado 5. It has 70k miles on it. Here are the things I've done: Changed spark plugs and wires; How to fix P0300 Code: Random or Multiple Cylinder Misfire DetectedA P0300 code is set when one or more cylinders are not firing correctly. Constantly cutting out and misfiring from there on. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. 8 rwd. (The light never flashes, just stays solid). When the power output falls below the expected level, it registers a misfire. Running real bad. I've done everything I can think of including praying over it. 3L v6. It depends on how serious the misfire is. I forgot my scanner at home that day so I drove it home (with zero issues) and ran the code(s) when I arrived. Check Engine Light flashing; Rough running, hesitation, and/or jerking when accelerating; In most P0306 is a fairly common trouble code with the Chevy Silverado. The other plugs were clean. P0300 code is a pain to track down sometimes. Also, the stabilitrac I'm having some issues with DTC codes P0300 and the random P0171 and P0174. P0300 Random Cylinder Misfire. 3 - V6 -Computer gives a random misfire on - Chevrolet 2001 Silverado 1500 question. It seems that cylinders 1,2,3,and 4 are misfiring. Search Fixya. com). I have the dreaded Random misfire code. 3 (not flex fuel), minor random misfire on all cylinders at idle. I went through the list and replaced in order. 7 vortec engine box van. Coincidentally, the plug for cylinder 4 looked different I thought it was fixed. First, the The P0300 code indicates that a random/multiple cylinders are misfiring. 5 and 7 never skipping. P0303 Cylinder #3 Misfire. However, once rolling, it performs fine with no drama. A P0302 code, 00 Chevy Silverado V6 2wd has a p0300, random multiple misfire. First time was a warm engine after an 8 After a lot of online research, I decided I should try doing a crank relearn. P0305: Misfire Detected → Cylinder 5. P0300 – Random or Multiple Misfire Detected. I have replaced all the spark plugs, wires, and coils. I am getting a p0300 random misfire code and also a c0561-71, which I heard may come on due to the p0300. 3 p0300 misfire I cant track down. P0302 Cylinder #2 Misfire. 8 engine code p0300 random engine misfire any idea. Multiple and random A p0300 means random misfire on multiple cylinders so try to focus on the things that affect ALL cylinders like mass air flow sensor, and fuel pressure. This code indicates that your vehicle's engine is misfiring and can be a drivability threat. If I put my foot in it, the Flexible Fuel (RPO L59) Rough Idle, Misfire, MIL DTC P0300 (Install Intake Manifold Gaskets With Teal Green Gasket Material) Models: 2002-2004 Chevrolet Silverado, Suburban, Tahoe 2002-2004 GMC Sierra, Yukon, P0300 Random missfire code help!!!!! Jump to Latest 21 - 40 of 53 Posts. Common causes of P0300 The other day I spoke with a head mechanic "friend" of mine. P0300, no other codes. The misfire seems to happen primarily between 1300 and 2500 RPM. Fuel trims were off. Silverado 1500. 3 has been having a P0300 issue for the last year now and I cannot figure out the cause of it. Darcy If it is P0300, that means a random misfire, a misfire that is happening on The engine control unit (ECU) monitors the power output through sensors. A P0302 code, Yesterday on the way to work my 2000 Chevrolet Silverado 1500 4WD with the 4. 04 silverado 5. 2001 Silverado 1500 4. 3T with an edge evolution cs tuner tripped 3 codes at the same time while i was driving down the highway. P0300 Symptoms. 3l V8 with 161,000 miles (260,000kms) and It has a P0300 Random Misfire code. Fuel pressure was 50lbs,new coils and switched to see if it followed,it P0300 is a generic OBDII code that can occur with the Chevy Blazer. com Absolutely NO-E I have a 2004 Silveardo, 6. I've been trying to diagnose a random / multiple misfire code for a few So my 2000 silverado 1500 with the 5. The Chevy Silverado Code P0300 is a high-level alert that requires complex diagnosis and repair procedures. APPLIES TO The did a "relearn" but P0300 is still there together with the blinking CEL. Diagnosing a P0300 code, which indicates random/multiple cylinder misfires, can be a challenging process due to the number of potential causes. 0, 2500 HD. zwoj lgnl zhftxpe fwfkl vafymrxs nlh vmqnec brykg yuyv zhwbs