Update: So I did the map sensor, new plugs and new coils for the left/front bank, 2,4,6,8. tested for power on plugs checked okay, power to injectors, tests ok. No change. I could feel the misfiring into the intake on those cylinders as it produced heat.
Today I pulled all plugs and did a ...
Search found 2 matches
- Sat Aug 23, 2025 7:33 pm
- Forum: Bonneville GXP/Northstar Powered Cars
- Topic: Need help: internal engine damage? skipped timing?
- Replies: 3
- Views: 46339
- Sun Jul 27, 2025 5:14 pm
- Forum: Bonneville GXP/Northstar Powered Cars
- Topic: Need help: internal engine damage? skipped timing?
- Replies: 3
- Views: 46339
Need help: internal engine damage? skipped timing?
Hi Club,
2005 GXP, 75k miles. Does not use coolant, but car leaks oil from valve covers, and always has after I bought it used with 45k on it. I never got around to it. Usually change full synthetic at 5k mile intervals. When getting close to 5k, sometimes I would need to add a quart. Never really ...
2005 GXP, 75k miles. Does not use coolant, but car leaks oil from valve covers, and always has after I bought it used with 45k on it. I never got around to it. Usually change full synthetic at 5k mile intervals. When getting close to 5k, sometimes I would need to add a quart. Never really ...