Is my Throttle Position Sensor shot?

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Is my Throttle Position Sensor shot?

RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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11-09-2009, 06:19 PM	#1
Justen In Too Deep Join Date: Jun 2009 Location: Clifton, NJ iTrader: (3) Posts: 112 Rep Power: 16	Is my Throttle Position Sensor shot? I've been tryin to set the timing on my new rebuild, but i couldnt seem to get the idle low enough or stable enough to set it correctly. So i put the BACV back on thinking it would help. But the idle still sucked. And it backfires and floods like crazy on startup. I made the TPS check light, and tested it. I can turn the set screw so that only one light comes on (like its supposed to) but its very sensitive, and even a tap on the throttle cable can screw up the adjustment and make the second light come on. Then i test the tps with a multimeter, but i'm not getting any continuity from prong A to B, and something like 850 k'ohms on E to D. I assume that the sensor is completely shot... ...I just find it wierd that this one could be bad, because the car used to idle fine before the rebuild. Have they been known to go bad or short out that easily, even if theyre just sitting on a shelf? __________________ 1990 TII, fresh rebuild Atkins rebuild kit, RA apex seals Med. Streetport, TB mod, rebuilt turbo, ported wastegate, GodSpeed FMIC RacingBeat Turbo-back straight exhaust, Bonez test pipe, emissions/nest removed hks intake, Walbro, Profec B spec-2

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