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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 05-19-2009, 03:23 PM   #1
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Join Date: Nov 2008
Location: manchester, NH
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Car: 97 malibu, 1985 Z28
Engine: 305 tpi
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2 new issues HHmm

ok i got another problem here in the world of tpi.

I'm leaning towards the o2 sensor.

running hot
exhaust smells like gas
bogging down when given gas.

also this next one probable belong in the electrical part but if you got ideas let me know

I push the rear defroster and the engine wants to die out. I guessing there is a short. any ideas if there is a common spot as to where this issue might be?

Last edited by mattyc; 05-19-2009 at 03:24 PM. Reason: typo
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Old 05-19-2009, 03:51 PM   #2
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Re: 2 new issues HHmm

Quote:
Originally Posted by mattyc View Post
ok i got another problem here in the world of tpi.

I'm leaning towards the o2 sensor.

running hot
exhaust smells like gas
bogging down when given gas.

also this next one probable belong in the electrical part but if you got ideas let me know

I push the rear defroster and the engine wants to die out. I guessing there is a short. any ideas if there is a common spot as to where this issue might be?
Grounding out maybe
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Old 05-20-2009, 06:35 PM   #3
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Re: 2 new issues HHmm

clean all the gorunds you can find on the alternator/battery harnesses, and the terminals in the couplers. it just may not be getting all the power it should. i noticed that my headlights would dim at idle and doing this helped.
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Old 05-20-2009, 06:35 PM
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