Recent content by MXB

on the 4th coil pack and 2nd new plug so I feel I somewhat ruled those out because no fix...this thread gave me hope of a possible solution. Thanks for the ideas and help!

Have an 06LC and just found this... While towing, after going uphill in higher temps 85 or higher, the engine stumbles, but never shuts off or dies. Throws a p0308 8th cylinder misfire (on the code reader I have hooked up while driving) but is always a pending code that disappears after...

We tow a 21ft 4000lb Winnebago with our 06. When it works well, you don’t even know it’s back there. When the 8th cylinder misfires (only when towing btw) after multiple coil pack and plug changes...you start to lose confidence in your vehicle. Since it never happens outside of towing, makes me...

Probably 11 months since first coil replaced (denso) and just did this Delphi coil pack on the road before misfire occurred after another 500 miles

visually I don’t see anything wrong with either the plug or the wires, first coil pack was denso, second was a backup Delphi.

Gents, I have a recurring PO308 code (cylinder 8 misfire) that pops up as a pending code, but never permanent registered code. I pull over and stop and cycle the ignition after a rest and the CEL is gone. Always occurs while towing a trailer in higher temperatures, but I definitely feel a loss...

I really appreciate the knowledge gained from this forum. We have a 2006 LC with 185k and love it! While towing appx. 4000lb trailer to Disney World Fort Wilderness with the fam, noticed that my normal operating temps were 196F. Driving in 4th, ambient temps 93F, trans temps 145F, speed...