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-   -   1990 Trooper idle problem (https://isuzuforums.com/forum/general-tech-14/1990-trooper-idle-problem-397/)

joentraci 05-05-2006 01:11 AM

Im sure it could use a good tune up, It has been along time, but again was running fine prior to poof. Is the mass air flow sensor the thing that is on top of the air filter housing?

ISUZUGURU 05-05-2006 01:14 AM

yes

ISUZUGURU 05-05-2006 01:18 AM

also check the timing,if you havent changed the belt recently.its due right now.if it breaks it WILL bend valves

joentraci 05-05-2006 02:21 AM

I disconnected the mass air flow and nothing. It wouldnt even let me give it enough gas to keep it running.

ISUZUGURU 05-05-2006 11:35 AM

CHECK FOR FAULTY FUEL PSI NEXT,YOU WILL HAVE TO TAP IN THE FUEL LINE ,THE EASIEST PLACE IS AT THE TOP REAR OF THE INTAKE.THAT THE PRESSURE LINE.SEE IF YOU HAVE GOOD FUEL PSI SPEC IS 50PSI FOR INJECTED MODELS

ralph08 05-09-2006 10:51 PM

Have you checked the carburetors? How about the radaiators and other nearby components?


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