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jakemk8706 Member
Joined: 18 Apr 2006 Posts: 266 Location: portland oregon
1991 Chevrolet Camaro Z/28
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Posted: Tue Sep 21, 2010 8:22 pm Post subject: still having problems with code 43... |
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so the car still runs terribly after a new icm and a new knock sensor. it barely revs and it back fires a lot. i have no idea what the hell is going on with it. any other suggestions? _________________ gas brake dip dip |
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Twilightoptics Hardcore (12sec Club)

Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Tue Sep 21, 2010 10:14 pm Post subject: |
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How did you install the knock sensor?
If it's in too far it will be over sensative and the ECM will pull all kinds of timing out. _________________ A redline a day keeps the carbon away! |
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jakemk8706 Member
Joined: 18 Apr 2006 Posts: 266 Location: portland oregon
1991 Chevrolet Camaro Z/28
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Posted: Wed Sep 22, 2010 10:40 am Post subject: |
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well i screwed it in until it was more that snug, it felt like it was about to bottom out so i stopped tightening.. there was still threads showing on the knock sensor when i was done tightening it tho. do you think i should try backing it out some? if so how much would you recommend? like just past finger tight or something? _________________ gas brake dip dip |
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Twilightoptics Hardcore (12sec Club)

Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Sep 22, 2010 1:14 pm Post subject: |
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Yeah, you've got that bugger in WAY too far.
It's some small little spec. Look it up in the repair manual.
Honsely I screw them in just until I feel it wont leak coolant. You'll need to drain the coolant and reseal it too if you back it out from here. _________________ A redline a day keeps the carbon away! |
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jakemk8706 Member
Joined: 18 Apr 2006 Posts: 266 Location: portland oregon
1991 Chevrolet Camaro Z/28
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Posted: Wed Sep 22, 2010 3:35 pm Post subject: |
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Ya that's weird. The installation procedure from my Haynes manual says "intsallation is reverse as removal" so I'll try backing it out and see what happens. Thanks _________________ gas brake dip dip |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Sep 22, 2010 7:32 pm Post subject: |
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If you're using the Haynes aftermarket manual, the torque specs will be listed at the beginning of the chapter, not in the article itself.
The torque spec is like 14-15 ft lbs, IIRC, basically just barely wrist snug. |
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