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Car Turns off while idle

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Old 09-21-10, 09:54 AM
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Unhappy Car Turns off while idle

whats up guys my name is Josh im new to this forum but not to rx7

so heres my issue

I just bought a 87 rx7 it had been sitting for about a year.

The rubber fuel line was leaking so i changed it and now its good theres no leak.

so i start the car up its starts right up but its doesnt idle for long it will slowly die out.

I tried giving gas and when i do that its stays on but when i stop it turns off. I drove the car around my town and it drove perfect but as soon as it put it in netural it turned off.

The car has gas, its has oil i dont see any vacuum leaks or i probably cant find any. So can anyone help me resolve this issue?

Thanks,

Josh
Old 09-21-10, 02:18 PM
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If you have the car in gear with the foot on the clutch it stays on?
Old 09-21-10, 02:35 PM
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do a search on compression testing. my car had the same problem when i first bought it... havent really had a chance to diagnose the problem cause engine is partially in pieces.
Old 09-21-10, 03:29 PM
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Originally Posted by farberio
If you have the car in gear with the foot on the clutch it stays on?
yea when i do that it stays on


Originally Posted by 20Bforme
do a search on compression testing. my car had the same problem when i first bought it... havent really had a chance to diagnose the problem cause engine is partially in pieces.
ok i will check, i was told that i might have to change the fuel filter

Last edited by mar3; 10-15-10 at 10:15 PM. Reason: Merged back-to-back posts...
Old 09-22-10, 06:15 PM
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hi , when u say the car in gear and clutch depressed, do u mean fully depress or partialy to keep your car from going backwards, like on a low incline, because if its not fully depressed the engine is under stress and the computer is sending a different mixture to compensate a bit. it is a good idea to check your fuel filter and fuel pump pressure. it may sound crazy but in some cases if the engine is wrattling a bit or moving too much in neutral since its not doing any work the knocking sensor might be at fault. when troubleshooting i was allways told go cheaper and easiest to hardest and expensive. hehe, well hope that helps.
Old 09-22-10, 09:29 PM
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Hmmm This is kind of the problem my friend has with his 85 i wonder if it's the same problem, hope you find out what it is! good luck
Old 09-23-10, 12:20 PM
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Originally Posted by prieto
hi , when u say the car in gear and clutch depressed, do u mean fully depress or partialy to keep your car from going backwards, like on a low incline, because if its not fully depressed the engine is under stress and the computer is sending a different mixture to compensate a bit. it is a good idea to check your fuel filter and fuel pump pressure. it may sound crazy but in some cases if the engine is wrattling a bit or moving too much in neutral since its not doing any work the knocking sensor might be at fault. when troubleshooting i was allways told go cheaper and easiest to hardest and expensive. hehe, well hope that helps.
yes the clutch is fully depress while the car is in gear and we figured it out it is the fuel filter.

and i know this is a noob question but where is the fuel filter located lol
Old 09-23-10, 12:34 PM
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Its located under the hood, drivers side, around the brake power booster connected to the fuel lines, connected to the engine via fuel hoses. The filter looks like this
Old 09-24-10, 11:34 AM
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ok got it thanks, i changed it and now the car is running fine thanks for all the help.

Last edited by mar3; 10-15-10 at 10:16 PM. Reason: Killd quote since reply was back-to-back to post in question...
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