Oil Pressure Gauge Not Working - Page 2 - NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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2nd Generation Specific 1986-1992 Discussion

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Old 03-12-2003, 08:12 PM   #11  
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next time it does that try wiggling the key a bit and see if

it changes anything, dont shut the car off, just wiggle the key a little.
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Old 03-12-2003, 08:21 PM   #12  
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Quote:
Originally Posted by 13BAce' date='Mar 12 2003, 07:59 PM
If the check engine light comes on then there's something wrong and you should check the codes, unless the engine is just stalling, which would cause all of the dummy lights to come on.
the engine is not stalling. the tach just stops working and the check engine light comes on. it starts to work as soon as the car is restarted and everything else works fine when its not on. does this have anything to do with the transmission guys? it seems like it would since its the tach
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Old 03-12-2003, 10:04 PM   #13  
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Quote:
Originally Posted by Shane.Trammell' date='Mar 12 2003, 06:21 PM
the engine is not stalling. the tach just stops working and the check engine light comes on. it starts to work as soon as the car is restarted and everything else works fine when its not on. does this have anything to do with the transmission guys? it seems like it would since its the tach
Turning the key back and forth just resets everything...for a while. Check the codes:

http://www.johnr.com/cpucodes.html



An example of somebody who didn't:

A guy I know called me to ask about his check engine light. I told him what it probably was, but he should check the codes anyway. He didn't listen and kept driving the car. Then he blew his motor. Your motor can be good internally, but if the controls are messed up it could blow.
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Old 03-12-2003, 10:05 PM   #14  
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You should also check out the factory manual for more detailed descriptions of the error codes:

http://www.fc3s.org/how_tos/manuals/89_fsm...s_non_turbo.pdf
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Old 03-13-2003, 06:06 AM   #15  
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I was just mentioning the key thinking maybe he had a little electrical

bug like that vert when we first started it and nothing wanted to work.

In that cars case though it was just from sitting, dont have to wiggle the

key no more.
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Old 03-13-2003, 10:05 AM   #16  
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Also, the tach functions from a signal off of the trailing coil. I had a non-functional tach for a long time and I mentioned it to a well-known rotary mechanic out here. Just off his head, he said to run a (ground) wire from the coil's bracket to some good grounding point nearby. It fixed the problem immediately. I'm not too sure how the Check Engine Light fits into this though. It may be a completely different problem...
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Old 03-13-2003, 10:10 AM   #17  
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Quote:
Originally Posted by Rob x-7' date='Mar 13 2003, 04:06 AM
I was just mentioning the key thinking maybe he had a little electrical

bug like that vert when we first started it and nothing wanted to work.

In that cars case though it was just from sitting, dont have to wiggle the

key no more.
Yeah, but with the check engine light going on it's a good idea to check things out thoroughly.
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Old 03-13-2003, 12:38 PM   #18  
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yeah thats what the check engine light is for. i bet you get a trailing ingnition code



mike
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Old 03-13-2003, 05:10 PM   #19  
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Quote:
Originally Posted by 13BAce' date='Mar 13 2003, 11:10 AM
[quote name='Rob x-7' date='Mar 13 2003, 04:06 AM'] I was just mentioning the key thinking maybe he had a little electrical

bug like that vert when we first started it and nothing wanted to work.

In that cars case though it was just from sitting, dont have to wiggle the

key no more.
Yeah, but with the check engine light going on it's a good idea to check things out thoroughly. [/quote]

Egg-sactly
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Old 03-13-2003, 06:35 PM   #20  
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Quote:
Originally Posted by j9fd3s' date='Mar 13 2003, 12:38 PM
yeah thats what the check engine light is for. i bet you get a trailing ingnition code



mike
trailing ignition?? whats that gonna do?
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