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


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I have no idea how you\'re getting that kind of mileage. It damn near defies physics.
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Axiomatic. Countless case studies.
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Old 04-02-2011, 02:29 PM   #1
Kontakt
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Default Rewired TPS, new and worse problem now.

Initial problem: Car would occasionally sputter while driving. Fiddling with TPS plug or wires coming from plug would relieve problem, if it didn't go away on its own in a few hundred feet.

Put 100 miles on car this morning, mostly driving well. 1 trip to 7k in 3rd, pulled like an NA should. Was running fine when parked to do this:

I re-wired my TPS. To be specific, I ran all new 22ga wiring from the TPS all the way to the ECU where I cut and butted the two signal wires from the ECU into the new wires, and I cut the ground on the ECU side of the existing split to make sure all wires stayed grounded in case there was a split in another part of the harness I didn't know about. I aslo added an additional ground to this point.

When I started the vehicle, it sounded a little rough but ran up to 3k and when idle fell it died. It was flooded.

I re-set my TPS with the ohm-meter-test-connector method to no improvement (although, it was off).

I can get it around the block with effort, and i can rev to 7k in neutral with light even throttle input. If I gas it hard at all it is like all spark goes out immediately and when I let off the throttle it bangs out the exhaust (first fireballs were supposed to be at speed, not parked ... 1k on my rebuild).

Hard throttle and it falls on its face at any RPM.






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Originally Posted by mazpower View Post
I have no idea how you're getting that kind of mileage. It damn near defies physics.
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Originally Posted by yzf-r1 View Post
Axiomatic. Countless case studies.

Last edited by Kontakt; 04-02-2011 at 06:08 PM..
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