2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 04-06-07, 07:21 PM
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Rx7
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can someone help me?

Hey guys i know i have posted here alot about my hesiation , My 88 GXL S4 has had alot of hesitation problems , and ive fixed most of them , I regrouned my ECU and Checked my injectors , my last problem was that my TPS plug was corroded and wasnt working at all , now that that has been fixed i have a bit of hesitation at around 5000-7000 rpm it doesnt happen at 3800 anymore , i havent adjusted my tps because i cant find the screw and im thinking that this could be my problem , is this possible , when i checked it , it was at .6 not at 1 like spec says it should be , could someone post a pic of the screw to adjust or is it probably just another problem?
Old 04-07-07, 02:36 PM
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Download a copy of the factory service manual for you car from one of the links in the 2nd gen FAQ. Look up Auxilliary Port Valve in the Fuel and Emmission Control Systems section and run through the tests described there. I think the APVs cut in around 6K. Other than that, check out the various troubleshooting matrices in the manual for other ideas.
Old 04-07-07, 03:59 PM
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ive went throught the fsm but there are just way to many things to check , would the tps have any role if not im just gonna clean the aux ports
Old 04-07-07, 11:21 PM
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Originally Posted by fredster102
would the tps have any role...
Do the TPS readings check out? (Yes you'll have to look in the FSM)

...if not im just gonna clean the aux ports
That won't do squat for a hesitation problem.

Have you replaced the spark plugs and leads?
Old 04-08-07, 03:56 PM
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Ive got new spark plugs but i havent changed the cables since the ones from napa that i bought wouldnt even sit in right , what kind of cables would you reccomend?
Old 04-08-07, 03:59 PM
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NGK. plugs and wires. Do u have a aftermarket FP in the car? N/a or t2?


edit...just saw u were still N/A. nvrmd about that FP...
Old 04-08-07, 07:50 PM
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fredster102 Your multiple bumps have been deleted. Bumps are forbidden here in the 2nd gen section. Do not bump again!
Old 04-09-07, 01:42 AM
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The TPS screw must have fallen out for you to not have seen it. That's the only possibility for you to not take note of the TPS screw.
Attached Thumbnails can someone help me?-tpsscrew.jpg  

Last edited by HAILERS; 04-09-07 at 01:56 AM.
Old 04-09-07, 02:47 AM
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cool ill adjust that tommorow , didnt know that was the TPS screw, sorry about the bump issue didnt know i couldnt bump , also i get like 300kms to a full tank is this normal?
Old 04-09-07, 07:45 PM
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okay i couldnt get a TPS reading today , last time i checked it it was at like .6 should i even bother adjusting it to 1.0?




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