Questions & Answers for: check engine light 1999 gmc

Ad

Question about 1999 Jimmy

1 Answer

...Check Engine' light stays on after the engine has started, but everything is running smoothly. The truck seemed to be a tad lazier on cold starts, but I didn't take notice until today, when the Check ...

Ad

...hesitation. Do I need a rebuilt tranny, or is it possibly something way less expensive that could be wrong? Is the check engine light on? If not chances are good that you have major trans.

Ad

The problem seems to be getting worse. Any suggestions as to why? Could be a defective pcm (computer) also bad grounds can wreak havoc on electrical systems check engine light on before this happened?

Question about 2001 Jimmy

1 Answer

check engine came on and i have a self diagnostic machine... the machine said it was the secondary air filter. any ideas 2003 GMC Jimmy. My check engine light came on and I don't have code reader, any

Question about 1999 Jimmy

2 Answers

...Check Engine Light, or it?s already fixed, and you just want the engine light out, visit an auto repair store. Most stores will have a universal Check Engine Light Code Reader that can quickly and ...

Question about 1999 Jimmy

1 Answer

engine light on, will not start The first thing i would do is have the computer scanned for codes and see what codes are stored, you may have a bad fuelpump or a control module problem, check for fuel

1999 gmc jimmy diagnostic tool hook up wont work diagnostic tool wont connect Does the check engine light come on when you turn the key switch on ?? Did you check the cig lighter fuse ?

Question about 1999 Jimmy

1 Answer

...check engine light due to successfully complete all obd self tests.Searched Chilton Haynes both books 99and earlier wiring diagrams.both books were suppost to cover up to 2004.need reasonable priced ...

...Check for "Engine light" and any active or stored engine codes. Running a cylinder compression test, fuel line pressure test, exhaust pressure test, check the timing, check for misfire, check for ...

...The distributor may ... This can cause a rough running engine or stalling condition, the Check EngineLight may or may not illuminate. ... 1999 GMC Jimmy150,225Visitor. try turning your lights off

Not finding what you are looking for?

Ask a Question

Usually answered in minutes!

Popular Products

Top Cars & Trucks Experts

Marvin
Marvin

Level 3 Expert

85219 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22485 Answers

john h

Level 3 Expert

22486 Answers

Are you a Cars & Trucks Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...