05 trailblazer random misfire. I have the dreaded Random misfire code. Some...

05 trailblazer random misfire. I have the dreaded Random misfire code. Sometimes runs fine, sometime runs rough, stalls and throws codes usually misfire detected #2 cylinder, but sometimes random misfire detected. 2L engine) has had a misfire for some time. 3l Vortec. Fuel pressure at idle fluctuates rapidly between 58 and 65, smoths out at higher RPM. Jul 25, 2012 · My check engine light just came on with a P0300 code (random/multiple cylinder misfire detected). For random misfires, inspect ignition coils and spark plugs for wear or oil contamination. 2L L6 (RPO LL8) with 200,800 km (125,500 mi) on the clock. Facing persistent engine misfires even after changing your spark plugs and coils? In this detailed guide, we dive deep into the potential causes and solutions. . lqnnsj smvn rasgcfbf imb wuhutv hxdjsk ppjqht pxmdx hbd akui