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P0308 Diagnostic Trouble Code Discussion for October 2017

Cylinder 8 Misfire Detected

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Trouble Ticket Help Requests for DTC P0308
Help Request Posted
2010 Cadillac Escalade EXT 6.2L Misfire, MIL Lamp on VIN: 3GYVKNEF6A
P0308: misfire 8. This cadillac has a constant misfire on #8 at idle, clears up off idle. scoped ignition primary and injector pulse, both present and constant. changed coil and wire and plug and injector to a non misfiring cylinder, misfire did not follow. checked compression ...
October 03, 2017
2006 Land Rover Range Rover HSE 4.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SALME15466
P0308: 8 cyl. misfire. When you crank cold misfires on multiple cylinders, after it warms up will run smooth, but when you load motor will start to pop in intake then will misfire on cylinder 8. If you let it idle for a while will stop missing and run smooth. I changed plug, coil, a...
October 03, 2017
2005 Ford Expedition Eddie Bauer 5.4L Misfire VIN: 1FMFU17555
P0308: miss fire 8. upon inspection found timing chains where worn out all plastic material who rubs on chain has come apart. Oil pressure cold 60 psi after a long warm up period and hot about 27 psi at idle. Work done, replaced, timing chains, guides, tensioners drivers side vvt...
October 31, 2017