Why does my GMC Yukon stall at idle?
Engine powered down and stabilitrack off and service traction lights are all on. Can’t drive it over 10 mi per hour. A tow truck is on it’s way to take it to the GMC dealer. The vehicle would stall at idle. First thought it was an alternator problem since the alternator would drop to zero and the vehicle would stall. Put in new alternator.
Why does my GMC Yukon Denali not start?
I had to wait almost 3 hours before the vehicle would start again. 2010 GMC Yukon Denali – The check engine light came on, followed by a traction control warnings and then reduced engine power speed to approx 20 mph to the point of almost stalling. I was told by the dealer that it was the throttle body which I has replaced at my expense.
How much does a GMC Yukon XL cost?
The average cost for a GMC Yukon XL General Diagnosis is between $88 -$111. Learn More Idle low like 500 rpm any suggestions on normal idle for this truck? Engine nearly stalls, gets to low RPM’s in idle and revs start to go up and down as if its stalling and then catching over and over.
Why does my Chevy Silverado have a rough idle?
Rough Idle Solved! Posting my results in hopes it will help someone else down the road. I’ve had a slight rough idle since around 500 miles driving the truck with it progressively getting worse over time. Had the BB Tune bump the idle up to 600 at 1000 miles and that seemed to eliminate it for the time being.
What does rough idle mean on a GMC Sierra?
rough idle, stalling, loss of power. o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. It will run normal on occasion but only lasts about 45 seconds or so.
What causes a GMC Sierra 1500 to stall?
But the stable idle won’t last long, it’ll idle low and rough. Mpg has decreased drastically and give off a rich smell when running. 308 people found this helpful. Bad hesitation off of the start, pumping the gas pedal helps to get her going. Pushing the pedal hard well bog it out and almost stall. 290 people found this helpful.
What does the fuel smell like in a GMC Sierra 1500?
If so pull the air filter off and sniff the throttle body for a fuel smell. If the diaphragm has ruptured it will literally be like putting a hose with fuel into the intake and running it full.
What should fuel pressure be in a GMC Sierra 1500?
I assume there really is no way of testing the the regulator itself considering it’s incorporation. 38 people found this helpful. The test is: 12-15 psi when the key is turned on and the pump will shut off within 3-5 seconds and the fuel pressure should drop to 12-13 psi. 11 being the bare minimum and 13 the Max.