TPS adjustment lights...HELP
08-09-02, 10:33 AM
#1
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TPS adjustment lights...HELP
alright, i just got the car back together and need to adjust the idle. It has no BAC or cold start at all. It is pretty bare block. only things left are the omp and the minimum necesary vacuums. How should i adjust the idle. Does anyone know the link to a site with a writeup of making the tps adjuster lights and where to stick em. I have no memory and forget where i have seen them. I am also searching right now so any info would be greatly appreciated.
08-09-02, 03:08 PM
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Good luck getting the car to idle without a BAC...
Personally, I don't like using the lights. I just measure the terminals of the plug and adjust for 1K resistance. I believe you want to measure between the orange and green wires.
Personally, I don't like using the lights. I just measure the terminals of the plug and adjust for 1K resistance. I believe you want to measure between the orange and green wires.
08-09-02, 03:17 PM
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i'd use the ohm meter meathid on ted's site i started out using the light meathod and it's not very effective there's to wide a range for the lights one will stay on for a few turns and that can be up to 1.5 ohms. get a good ohm meter and set it that way.
08-09-02, 03:51 PM
#7
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The rationale behind using the lights is the ECU is telling you if it's seeing the right signal or not. If you set the TPS with a meter, you're measuring the resistance at the TPS, not necessarily what the ECU is seeing due to voltage drop and the like in the stock wiring.
I use the lights to find the 1-light area, then find where the crossover to no lights is. Go back about a quarter turn, and start from there. If the throttle response is a bit off, I try small changes to the setting until I find a happy medium.
Dale
I use the lights to find the 1-light area, then find where the crossover to no lights is. Go back about a quarter turn, and start from there. If the throttle response is a bit off, I try small changes to the setting until I find a happy medium.
Dale
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