WebLow compression in one cylinder with a misfire code, but no smoke in the exhaust Ask Question Asked 3 years, 4 months ago Modified 3 years ago Viewed 2k times 1 Chevy V6 4.3 with 281k miles. It recently threw a … WebMisfire at idle and low rpm problems can be caused by a variety of mechanical problems. One of the most common causes of misfire at idle is often related to dirty or bad fuel injectors, while misfires at low rpm may be caused by bad sparks or lean fuel. In either case, you need to contact your local mechanic to assess these problems.
Is Your Engine Misfiring? Here are 6 Possible Causes
WebAug 16, 2010 · That's right, the misfire could be caused by a bad COP Coil (the usual culprit), or a bad fuel injector, or low compression in one or several cylinders. The hard-to-diagnose misfires are usually the ones that set a P0300 Random Misfire Code or ones that don't set a diagnostic trouble code at all. WebJul 28, 2024 · Start to drive and all is well for the first mile, after that the misfire begins. From 1st gear, you have to rev up to 1500 or more for a smoother launch under normal … how to stop feet hurting in heels
GMC Canyon Engine Misfire & Check Engine Light On - RepairPal.com
WebFeb 21, 2024 · What To Do in the Case of a Misfire at Idle. If you do have a misfire at idle or low RPM, be certain to make an appointment with your mechanic. A computer scan can be easily completed to determine what issue is causing this. He may also be able to tell … If the air and fuel mixture is wrong in your vehicle, a misfire will occur. It can … WebDec 1, 2024 · -when gradually accelerating in a higher gear at lower speeds (mine will ride 7th gear @40mph) the car will struggle and shudder until it reaches over 2000rpm or goes into a lower gear -the first time the car did the shudder … WebNov 9, 2007 · Random misfire only at low RPM and under load - Check fuel pressure - Low compression/Low quality fuel/Correct EGR valve function. Random misfire only during acceleration - Check fuel pressure - Malfunction in the VTEC system. Random misfire at high RPM and load, or under random conditions - Check fuel pressure - Correct valve … reactive time