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89 7M-GE persistant, intermittent missing
hvyman; fuel pressure 36 psi w/regulator, 43 psi w/o, injectors 13.6 to 13.8 ohms (normal for '89), plugs NGK BCPR5EP11 fox74; Was what I expected to find, and have had that problem before, but they were mostly clean this time (only 12K mi. since new). Thank you both for the replies...- slugsride
- Post #6
- Forum: 7M-GE and 7M-GTE Engine Technical Discussion
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89 7M-GE persistant, intermittent missing
Checked compression on each cylinder when I checked the plugs and they were good. Need to check again with all the plugs out when I can leave it inside. (trying to keep a convertible in the garage during the crappy weather) Will have to put a proper leakdown tester on my Christmas list! What...- slugsride
- Post #3
- Forum: 7M-GE and 7M-GTE Engine Technical Discussion
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89 7M-GE persistant, intermittent missing
Too cold to work on it, time for more research. Thanks for looking, new member, first post. Have a 1989 7m-GE NA with 229K miles. All stock except K&N drop-in, head has never been off. A few months ago it started missing on cold starts. It would clear up after driving a short distance and...- slugsride
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- Replies: 8
- Forum: 7M-GE and 7M-GTE Engine Technical Discussion