Why does my Yukon not start on the first try?

Why does my Yukon not start on the first try?

About a week ago my Yukon started to have a starting issue. It will not always start on the first try but always starts on the second. There are a few things that I found while trying to diagnose this problem. It dosen’t matter if the engine is hot or cold and it only happens about 50% of the time.

What was the problem with my 2001 Yukon XL Denali?

I love my 2001 Yukon xl Denali with over 130,000 miles but having some starting problems. The initial problem was taking several tries to start, when after it seemed a clog was cleared and the engine banged loudly once it would clear and start and be ok for the rest of the day, but a little more difficult in colder weather.

What did my 02 Yukon XL die of?

Last summer my 02 yukon XL died while my wife was driving, she said it would lose power, and die, it restarted a couple of time, drive for a few miles, the same thing. we replaced the fuel filter, and got it home, test fuel pressure, all seemed okay.

Why does my GMC Denali run rough in the morning?

I have a 2001 gmc denali that runs rough in the morning – usually after it rains or sits (with humid weather). SES light blinks and code indicates all cylinders missing. Problem goes away after running 10-15 minutes (engine heats up). Dealer can’t figure it out – recent wires and plugs done.

About a week ago my Yukon started to have a starting issue. It will not always start on the first try but always starts on the second. There are a few things that I found while trying to diagnose this problem. It dosen’t matter if the engine is hot or cold and it only happens about 50% of the time.

I love my 2001 Yukon xl Denali with over 130,000 miles but having some starting problems. The initial problem was taking several tries to start, when after it seemed a clog was cleared and the engine banged loudly once it would clear and start and be ok for the rest of the day, but a little more difficult in colder weather.

Last summer my 02 yukon XL died while my wife was driving, she said it would lose power, and die, it restarted a couple of time, drive for a few miles, the same thing. we replaced the fuel filter, and got it home, test fuel pressure, all seemed okay.

I have a 2001 gmc denali that runs rough in the morning – usually after it rains or sits (with humid weather). SES light blinks and code indicates all cylinders missing. Problem goes away after running 10-15 minutes (engine heats up). Dealer can’t figure it out – recent wires and plugs done.

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 is idle speed not coming back up?

If the ISC system is working correctly, the PCM should adjust idle speed to keep the engine from lugging down when the A/C compressor engages. If idle speed drops down and does not come back up, the ISC system is not responding the way it should.

What causes an engine to stall at idle?

If the ISC valve is gummed up with fuel varnish or dirt, it may stick, preventing the engine from maintaining the proper idle speed when the throttle closes. A faulty idle speed control circuit may also allow the engine to stall when idling if it fails to compensate for idle loads placed on the engine by the charging system or A/C compressor.

Can a bad crankshaft sensor cause the engine to stall?

If the crankshaft position sensor or its wiring have any issues, it can cause the crankshaft signal to be cut off while the engine is running, which can cause the engine to stall. This is usually a symptom of a wiring problem, however a bad crankshaft position sensor can also produce this symptom.

What did the shop do to my Denali?

OK….I took the Denali to the shop and they fixed it. It actually stalled once on the way there and tried twice at stop signs. It turned out to be ‘the throttle body was sticking’. They cleaned it and $150.00 later, It is working again. Thanks again fro your help and maybe this info will help someone else.

What should I do if my crank sensor goes bad?

Activate all 8 fuel injectors to start spraying fuel into the cylinders. Maintain the fuel pump activated after its initial start. With fuel and spark now present, the engine now starts. The most important thing to know, is that if the crank sensor goes bad, your 4.8L, 5.3L, 6.0L GM vehicle vehicle will ‘Crank but Not Start’.

When does the 2000 GMC Yukon come out?

An 8,800-pound trailer-towing package is optional. The 2000 Yukon is scheduled to reach GMC showrooms by early December. The Yukon lineup parallels the Tahoe’s, but GMC also offers the Denali as a lavishly furnished luxury model.

Is the GMC Yukon SLT a good car?

This 2000 GMC Yukon SLT features a rear air conditioning, a leather interior, heated seats, the Homelink system, and anti-lock brakes and may just be the car you’ve been waiting for. With an unbeatable 4-star crash test rating, this SUV puts safety first. Drivers love the beautiful dk. blue exterior with a medium dark oak interior.

How tall is a 2000 GMC Yukon XL?

GMC’s sheetmetal is also different compared to Chevrolet’s 2000 Tahoe and Suburban. The Yukon checks in at 76.7 inches in height, 78.9 inches in width, and 198.9 inches in length. The Yukon XL is slightly smaller in height, but 20 inches longer in length.

How much does a 2001 GMC Yukon cost?

Description: Used 2001 GMC Yukon SLE with AWD/4WD, Upgraded Engine, Rear Bench Seats, 8000lb Towing Capacity, Power Driver Seat. Headers Auto Sales always has 100 cars for $3500 or less and 50 cars for $2000 or less.

Why does my GMC engine start but not run?

Repair guides and support for cars, trucks, and SUVs manufactured by GMC. Answered! View the answer I have this problem too Is this a good question? An engine will start but not run when the fuel runs out .

Can a Chevy C / K 1500 run at idle?

There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck idles smoothly, and it runs fine once it’s above about 5-10mph or so. If moving at a picking up the speed.