2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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90 GxL bogging!!

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Old 08-17-12, 08:30 PM
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Bump?
Old 08-17-12, 09:48 PM
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Your question has been answered. The simplest problem based on what I have seen is, as previously said, in relating to the failure of the OMP.
Old 08-18-12, 06:12 PM
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Bump i tryed pulling codes. & nothing pop up.... Any help?
Old 08-18-12, 07:01 PM
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So you grounded the Orange wire? And where did you ground it to? The battery?
Old 08-18-12, 07:03 PM
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Driveshaft joint? My friends would buck bad
Old 08-18-12, 08:47 PM
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Originally Posted by satch
So you grounded the Orange wire? And where did you ground it to? The battery?
Yes to the battery....
Old 08-18-12, 09:05 PM
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Was the wire held to the ground while the key was turned to on?
Old 08-19-12, 10:17 AM
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Originally Posted by satch
Was the wire held to the ground while the key was turned to on?
Yes i did. Do you want me to take a pic or video?
Old 08-19-12, 03:40 PM
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No need to do that. How about disconnecting the plug to the TPS and check for error codes and see if it gives a code for the TPS to prove the sytem is working properly.
Old 08-19-12, 04:00 PM
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Originally Posted by satch
No need to do that. How about disconnecting the plug to the TPS and check for error codes and see if it gives a code for the TPS to prove the sytem is working properly.
Great idea!
Old 08-19-12, 04:58 PM
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Pulled tps plug off. Still no check engine light! Wtf!. Did the hole cold start to 3k down but wont hold a idle. I can clearly see that omp is not 100% working bc i have clear lines for it. My question now is, could this be a bad ecu?
Old 08-19-12, 05:13 PM
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Just to clarify, the first key position is ACC, second position is On and the last position is Start. Are you sure you are moving the key to the On position or are you mistaken and just turning the key to ACC? Lastly, the Orange wire that is grounded to the negative battery terminal is just a single wire and no other wires in the Green plug.
Old 08-19-12, 05:57 PM
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Originally Posted by satch
Just to clarify, the first key position is ACC, second position is On and the last position is Start. Are you sure you are moving the key to the On position or are you mistaken and just turning the key to ACC? Lastly, the Orange wire that is grounded to the negative battery terminal is just a single wire and no other wires in the Green plug.
Yes sir...
Old 08-19-12, 07:25 PM
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Do your idiot lights even have a check engine light. The Jspec versions did not I believe.
Old 08-20-12, 03:34 AM
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Originally Posted by satch
Do your idiot lights even have a check engine light. The Jspec versions did not I believe.
Yes it does.
Old 08-20-12, 07:31 AM
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Do your idiot lights light up w/key to on? 'Most' of them should. If they don't then there's an issue w/the idiot light box/wiring connection.

There is a three wire Green plug near the leading coil that has a Black/White wire and two Yellow based wires. If you make the error code checker used for an S4 you can connect it to this plug to pull codes in the same S4 manner in case your idiot lights are not working properly w/respect to the check engine light (CEL).

Last edited by satch; 08-20-12 at 07:34 AM.
Old 08-20-12, 09:49 AM
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Take it to a shop man. I'm sorry, but your threads are always this clueless and you never do any research on your own. You just want everyone to magically tell you what's wrong while you provide little input.
Old 08-20-12, 12:55 PM
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Originally Posted by Molotovman
Take it to a shop man. I'm sorry, but your threads are always this clueless and you never do any research on your own. You just want everyone to magically tell you what's wrong while you provide little input.
How didnt i provide input? I put the page link to the car & provide a small clip. I just got the car 4 days ago. & plus im no mechanic. If you wanna insult me. Im alwas in va for my job. I can stop by & we can talk about it. I didnt come on rx7club to get talk down too. I understand you prolly done all your work for car by self.& you know everthing. & the car is going to the shop but i need to provide info for the mechanic, to make it easy for him
Old 08-20-12, 12:56 PM
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Originally Posted by satch
Do your idiot lights light up w/key to on? 'Most' of them should. If they don't then there's an issue w/the idiot light box/wiring connection.

There is a three wire Green plug near the leading coil that has a Black/White wire and two Yellow based wires. If you make the error code checker used for an S4 you can connect it to this plug to pull codes in the same S4 manner in case your idiot lights are not working properly w/respect to the check engine light (CEL).
Yes, all the lights do come on.
Old 08-20-12, 02:41 PM
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Originally Posted by 87FCna
How didnt i provide input? I put the page link to the car & provide a small clip. I just got the car 4 days ago. & plus im no mechanic. If you wanna insult me. Im alwas in va for my job. I can stop by & we can talk about it. I didnt come on rx7club to get talk down too. I understand you prolly done all your work for car by self.& you know everthing. & the car is going to the shop but i need to provide info for the mechanic, to make it easy for him
I wasn't tying to insult you, I was telling you the truth. Also, no need to make a threat, you need to take it easy man.
Maybe if you laid off the pot for a bit you could retain some knowledge and build an aptitude. You can download an FSM, go through the troubleshooting and do the tests. Please don't ask me where to get one, if you look here you can be downloading one in less than five minutes. You're lucky Satch has a lot of patience, he's the only one helping you for that reason.
Old 08-20-12, 03:38 PM
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Originally Posted by Molotovman

I wasn't tying to insult you, I was telling you the truth. Also, no need to make a threat, you need to take it easy man.
Maybe if you laid off the pot for a bit you could retain some knowledge and build an aptitude. You can download an FSM, go through the troubleshooting and do the tests. Please don't ask me where to get one, if you look here you can be downloading one in less than five minutes. You're lucky Satch has a lot of patience, he's the only one helping you for that reason.
How does weed have anything to do with my car having problems? Isnt this section on rx7club for people that has problems & need to ask questions for the more experience owners? I have min tools & space.
Old 08-20-12, 03:54 PM
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Find the Green plug w/the three wires mentioned and take a voltage reading from the Yellow wire and it should indicate low voltage for three seconds immediately after the key is turned to on and then the voltage changes to 12 volts I believe.
Old 09-17-12, 06:42 PM
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I wanted to update this, my rx7 was having a hesitation problem, like it would feel like it was hitting a wall & backfireing to hell around 3500rpms. Soo off to the shop it goes! Trans needed to be replace anyways, replace with used omp, cleaned & check all grounds. Replaced fuel filter, NO Check engine light!!!! My mechanic is saying fried ecu. So now im getting ecu. Any other ideas
Old 09-18-12, 03:16 AM
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Bump. Satch any idea's?
Old 10-03-12, 08:09 AM
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Update. The problem was a bad ecu ground. Now onto my new problem. Damn cold start, wont hold an idle. Fine when warmed up.
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