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98 GMC Jimmy power loss

tranc3

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tranc3 New Member

tranc3

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I have a 98 GMC Jimmy and around 60ish the car completely dies like it's having trouble turning the block over. It also does this when going up an incline in any gear. It also dies if I pull off from a light sometimes droping to about 100rpm and sputting then going fine. Just started today. I tryed checking codes but can't find a site with a list. I'm totally lost. The ainto lock break symbol comes on and the e-brake engaged symbol. I checked my brake fluid as suggested by a fellow gm owner and It's full but the break fuild is blackish but brakes work fine. :chevy:

Wingnut Senior Enthusiast

Wingnut

Posted
Posted

Around here, AutoZone, Oreally's, and PepBoys will read your codes for free.

 

What you're describing could be a hundred different things.

 

First impulses...I'd say fuel pump, sensor (02/knock) problems, or even bad cats.

tranc3 New Member

tranc3

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  • Author
Posted
Around here, AutoZone, Oreally's, and PepBoys will read your codes for free.

 

What you're describing could be a hundred different things.

 

First impulses...I'd say fuel pump, sensor (02/knock) problems, or even bad cats.

 

 

 

 

Is there a way for me to check codes without a diagnostic machine. My friend was talking about me ground A and B port with a paper clip or something. How does this work.

drumset5994 Enthusiast

drumset5994

Posted
Posted

That system is way too old for your truck. Pre-1996, you could pop a paperclip into the diagnostic port, and count the number of times the SES light would flash. This is not the case anymore. You need a codereader.

 

Autozone does them for free. Just go in and say "I need some codes read" ...its really not even a big deal for them.

 

Walmart has ODBII Code Readers...i bought a simple one for $59.99...i use it all the time...love the little thing.

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