What Are The Tell Tale Signs Of....

Taino

Member
Nov 29, 1999
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What are the tell tale signs(Hints) the computer is going bad? Got a strange hickup on my 90 GT, occasional Bogg, checked all hoses, all electronics, still have to check FPR. Anyways any info would be appreciated
 
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stykthyn

I want to measure mine. It doesn't look that tall.
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There's not any one sign. Well not going into diagnostic mode is a pretty good give away. If you can pull codes then you are likely looking somewhere else. Have you gone through the surging idle checklist?
 

Taino

Member
Nov 29, 1999
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I have absolutly no idea how to check for code. Some make it sound easy but I can't figure it out..... Its just a reocurring problem with idle surge and the occassional bogg, engine feels like its shaking on hard acceleration. can't figure it out
 

stykthyn

I want to measure mine. It doesn't look that tall.
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Fwiw that doesn't sound like your computer. Go to the tech stickies and run through the surging idle checklist
 

2000xp8

SN Certified Technician
Aug 8, 2003
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Look up jrickers how to on pulling codes.

A miss is usually not a computer problem, more than likely ignition related.