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P0304 Diagnostic Trouble Code Discussion for March 2018

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2014 Volkswagen Jetta Comfort 1.8L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on
P0304: cyl 4 misfire. ... running rough check engine light on p0507 idle higher than expected. we checked the spark plugs and they were black so we changed them with no change. we found low intake vacuum 13inhg compared to 20inhg on known good car. we have tested the pcv and in...
March 09, 2018
2014 Volkswagen Jetta Comfort 1.8L Poor Idle Quality, Hesitation, Surge, Stall, Misfire, MIL Lamp on
P0304: cyl 4 misfire. vehicle was towed in engine stalled running rough check engine light on p0507 idle higher than expected. we checked the spark plugs and they were black so we changed them with no change. we found low intake vacuum 13inhg compared to 20inhg on known good ca...
March 12, 2018
2005 Toyota Tundra SR5 4.7L Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 5TBET34135
P0304: Cylinder 4 Misfire Detected. truck came in with MIL on with misfire codes stored and intermittent stalling when coming to a stop. To the touch a really faint misfire could be felt. Removed a plug from both banks and determined that new plugs wouldn't hurt, installed and misfire could ...
March 14, 2018
2005 Toyota Tundra SR5 4.7L Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 5TBET34135
P0304: Cylinder 4 Misfire Detected. truck came in with MIL on with misfire codes stored and intermittent stalling when coming to a stop. To the touch a really faint misfire could be felt. Removed a plug from both banks and determined that new plugs wouldn't hurt, installed and misfire could ...
March 15, 2018
2007 Chevrolet Silverado 1500 LTZ 5.3L Misfire VIN: 2GCEK19JX7
P0304: Cylinder 4 Misfire Detected. Ok i got this 5.3l with the cly deactivation system about 10000 miles ago i put all new lifters in for a misfire on #7 that lifter came out in pieces. After 500 miles it came back for a misfire on #4 and that lifter had collapsed and i replaced that one an...
March 22, 2018
2000 Honda CR-V EX 2.0L MIL Lamp on VIN: JHLRD1864Y
P0304: Cylinder 4 Misfire Detected. Has these two codes mil flashes but there is no misfire scanner shows mil flashing but no codes when this is going on has a new cylinder head timing belt new dist cap rotor and wires fuel filter this all happened after it sat for two weeks runs smooth with...
March 22, 2018
1999 Toyota Avalon XL 3.0L Misfire, MIL Lamp on VIN: 4T1BF18B4X
P0304: Cylinder 4 Misfire Detected. Car came to us from another shop they replaced egr, maf , and also did a timing belt. We took covers off to confirm timing is on. Compression at about 165 appreciate any help!!
March 26, 2018
2011 Ram 5500 ST 6.7L Misfire VIN: 3D6WA7EL7B
P0304: Cylinder 4 misfire. This vehicle came in with the "water in fuel" indicator on. The vehicle had no drivability problems at the time. We went ahead and drained the housing and replaced the filter. It was gone for about 80 miles and came back with the "water in fuel...
March 27, 2018
2011 Lexus GX460 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTJBM7FX1B
My Lexus Toyota technician removed the timing chains for the purpose of resealing the timing cover. He also removed both camshaft carrier housings to reseal those on bank one and bank two. He did not remove the sub chain assemblies which join the intake to...
March 30, 2018
2011 Lexus GX460 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTJBM7FX1B
My Lexus Toyota technician removed the timing chains for the purpose of resealing the timing cover. He also removed both camshaft carrier housings to reseal those on bank one and bank two. He did not remove the sub chain assemblies which join the intake to...
March 31, 2018