Questions & Answers for: misfire when cold

...cold start. replaced misfire, prodominent when cold start. replaced plugs, oxygen sensor,fuel injector hose and trans cool hose. Still same problem you will need to replace the wire/coilpack for the ...

misfire on cold start.Number 3 & 5 misfire on cold start. Misfires under light loads up to about 2,000 RPM Poor fuel economy black soot all over the rear bumper cover. I would check the coil those

Cold engine Misfire Engine misfires only on cold start-ups. The PCM sets trouble codes P0305 and P0316. After the engine warms up the misfire disappears and the engine runs great. The trouble codes ...

misfire cold start plugs and wires. yes wires are the biggest issue with a misfiring engine. check the gap on the plugs. sometimes they are gapped to far and cause a cold misfire issue. simply pulling

scan tool and watch all sensor when it fails. too high fuel pressure. misfires cold, but only luke warm cold starts not fully cold. just one DTC, no P0300 or 30x misfire codes, not even P0300 pendings

...see misfire section at link below. Do It Yourself Diagnosis and Repair A restricted injector can cause a more severe misfire at cold temps . Can you get someone to do an injector balance test on it

...cold GOT A 2001 IMPALA I GET A MULTIPLE MISFIRE AND BLACK SMOKE OUT THE TAIL PIPE WHEN IS COLD AND AFTER IT WARMS UP IT RUNS GREAT AS LONG AS IT STAYS WARM.CAN YOU PLEASE HELP run the fault codes ...

...doing. The sensor is stuck in open position or warm mode and not giving the engine enough fuel when cold making it misfire and sputter. Fix that and you'll have no other problems with revving

...misfire Engine misfires primarily when cold. Random backfires through driving range Scan the computer for trouble codes, unless that is where you got the random misfire code. It may point out the ...

...Help Jul 13, 2011 - My moms old 300SEL (with the M103) that was once my car is now my "work car" again as she is getting a brand new SUV very soon. Cold start misfire solved (finally!) - ...