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2003 GMC Yukon XL Denali Questions

Get answers to questions about your 2003 GMC Yukon XL Denali at RepairPal. Find solutions, diagnose problems and get back on the road.

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30
questions

Body type code?

After driving for an hour and a half my dash will say reduced engine power and stability system disabled and when I shut it off for a few minutes it goes away and I'm wondering why??? Any suggestions..Thanks

Mechanic has been driving accordingly. it's been driven for over 250 miles. still have not heard anything yet> do you have any suggestions? Thx. Vincef

Sometimes happens more in cooler weather while driving truck stops and says reduce engine control check engine light reads sensor can i change just the sensor or what is the cheapest fix I can do

Power steering fluid low and leaking around master cylinder.

running rough,stalling,engine dies when press gas pedal.

I have heard that a map sensor could be bad,when you start it files rough. I have heard that the air compressor could be bad but I think I hear come on

WHEN I CHECK WITH ONSTAR DIAGNOSTICS THEY SAY IT IS NO LONGER A PROBLEM BUT HAVE IT CHECKED IF LIGHT STAYS ON. IT IS NOW ON FOR OVER 10 RESTARTS. BEFORE IT WOULD GO OFF AFTER 4 OR 5 RESTARTS. SHOULD I BE CONCERNED?

When you start it up you can hear the air pump start,but it says according to the program guide that comes up.

Can I get replacement light sockets for the running lights?

havent found a place on the southside or chicago that specialize in just tune ups

it happen most of the time when im at a red lght