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98 5.7 120,000 miles code p0308

A tuneup was due anyways yes. So I kinda just did it to rule out the plug wires. Or plug. When I go back I’m taking a dis cap. And the injection spider. To be ready. Thanks for the reply.
- Oldscratch
- Post #7
- Aug 23, 2021
- Forum: Engine Performance + Maintenance
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98 5.7 120,000 miles code p0308

That’s the way I’m leaning after basic tuneup stuff. Luckily my friend had a car for me to borrow. Going back thurs with the spider. Thanks for the reply. Good luck
- Oldscratch
- Post #5
- Aug 22, 2021
- Forum: Engine Performance + Maintenance
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98 5.7 120,000 miles code p0308

Thanks. That’s what I’m going to start with. Cheers
- Oldscratch
- Post #3
- Aug 22, 2021
- Forum: Engine Performance + Maintenance
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98 5.7 120,000 miles code p0308

Little help please! On a trip, truck ran great, parked it. Started it the day after to move, idle rough. Ran like crap. Freeze frame data with crappy code reader attached. I’m not super proficient with reading fuel trim data. But can anyone chime in on what to tackle first ? I’m about to go to...
- Oldscratch
- Thread
- Aug 22, 2021
- Replies: 7
- Forum: Engine Performance + Maintenance