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Chevrolet Suburban and Tahoe Start problems

107 messages,  Last post on Oct 01, 2008 at 4:44 AM

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What is this discussion about? Chevrolet Suburban, Chevrolet Tahoe, Chevrolet Tahoe Limited/Z71, SUV

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#88 of 107 Re: '99 tahoe 5.7L LT problems [garciar] by msmocha Jan 11, 2008 (10:20 am)
Replying to: garciar (Jan 09, 2008 10:54 am) THAT WHEEZING NOISE WAS A SIGN YOUR PUMP WAS ABOUT TO GO OUT. MY 2000 CHEVY SUB PUMP WHEEZED VERY VERY LOUDLY AND I WOULD GET THE PUTTERING AT TAKE OFF. I REPLACED THE PUMP AND NOW I DONT HEAR A SOUND FROM IT. NO PROLEMS. Replies to this message: garciar (Jan 12, 2008 7:16 pm)
#89 of 107 Re: 2002 Tahoe will not start in cold weather [mschriefer] by anazuz Jan 11, 2008 (9:09 pm)
Replying to: mschriefer (Jan 10, 2008 2:03 pm) I've been having the same problem on and off. This week is at it's worst because my truck has not started at all. Maybe you shouldn't take it to Tahoe.   -Zuzana
#90 of 107 Re: '99 tahoe 5.7L LT problems [msmocha] by garciar Jan 12, 2008 (7:16 pm)
Replying to: msmocha (Jan 11, 2008 10:20 am) Hey thanks for the info. I've had my tahoe for 3 years and since i remember i've always heard that noise, is it possible that it took it this long to crap out? Do you think it is my fuel pump that is not working properly?
#91 of 107 Re: 2004 Tahoe LT 5.3L V8 "Won't Start" (may be security syatem) [msmocha] by bradleym Jan 14, 2008 (11:25 am)
Replying to: msmocha (Jan 11, 2008 9:59 am) Thanks (msmocha). I have only the factory alarm system. I do have the Viper Remote start. Over the last week I have gone out and started the vehicle right off every time. When I start it i will do it several times in a row, and it has started. However on Saturday morning I went out to start it and it turned over very slowly like the battery was going dead. Then Sunday the same thing. Each time I started the vehicle I let it run for at least 10 minutes to replenish the battery. Monday morning the truck would barely crank but not enough to start. There is nothing plugged in so the only system running on the truck is the factory alarm system. I have noticed that some times when the truck is shut off and the key out of the ignition, there sounds like a module or something running in the dash. Hard to explain the sound. Anyone have any different thoughts?
#92 of 107 Suburban randomly not starting by jjsoprano Jan 24, 2008 (11:40 am)
Hope this might help and save time and $ for some people. If your Suburban randomly will not start, try checking the cables that attach to the battery terminals. They can become loose (in which case there is faulty contact w/ the battery and the car won't start or the lights flicker or go out, etc) frequently and for a variety of reasons. For example driving over speed bumps, on rough roads, etc. Corrosion can also build up and cause faulty contact as well. So, if your Suburban won't start and the battery is good, pop the hood and inspect the battery. Loosen the nuts holding the battery cables and if you see corrosion use a battery cleaner spray or wire brush to clean off the nuts and bolts/metal clamps that attach to the terminals. Then reattach terminals and tighten the nuts well. It's great if something as simple as this is the reason your truck won't start, instead of one of the many other potentially unknown and expensive problems. This works for me.
#93 of 107 Re: 1999 Tahoe Intermittent Starting [johnson81624] by johnson81624 Feb 03, 2008 (12:36 pm)
Replying to: johnson81624 (Dec 16, 2007 2:17 pm) In regards to my Tahoe and her intermittent starting problems. I am very happy to say that after many attempts of repair she is finally running! Replacing the fuel-fouled spark plugs was a start. Replacing the fuel pump and fuel filter helped. Cleaning her MAP sensor, MAS sensor, MAT sensor helped. The winning replacement part was her "Ignition Distributor" Replacing the distributor was the winning part to make her run even in below zero weather. I wish every one luck in their automotive repair' s.
#94 of 107 Re: 03 Z71 decided not to start [cniwranski] by thunderchick1 Feb 19, 2008 (6:59 am)
Replying to: cniwranski (Aug 16, 2007 8:54 am) I was wondering if you or your mechanic fixed your problem with your Tahoe not starting. My Tahoe, ive had since new, has left me stranded 5 times over a nine year period. Each time the next day, the mechanic says there is nothing wrong. I did add a after market remote starter, and felt that was the problem. The Tahoe is in the garage after a complete tune up, replacement of sensors under the dash, replace fuel pump, and it still won't run.   Can you or your mechanic help me.   tccox1hotmail.com
#96 of 107 '04 Tahoe won't start easily when cold - fuel pump? by mattrig Jul 10, 2008 (6:44 am)
I have an '04 Tahoe with about 85k on it. Recently it won't start on the first try and generally will on the second or third. This occurs if it has been sitting for a while such as overnight. If it is warm then it starts right up. The dealer said that it is the fuel pump. That on the first "cold" try it doesn't completely pump the fuel to where it is needed. They said I need to replace the pump and should replace the fuel filter at the same time. Does this sound legit? This is a big expense. Replies to this message: arrie (Jul 11, 2008 3:46 pm)
#97 of 107 Re: '04 Tahoe won't start easily when cold - fuel pump? [mattrig] by arrie Jul 11, 2008 (3:46 pm)
Replying to: mattrig (Jul 10, 2008 6:44 am) Have that fuel filter changed first. You can have this done at any small shop. You can also change it yourself but you need to get a special tool for disconnecting the filter from fuel line. Same type tool as is used for AC connections. That tool does not cost much either.   Another thing to check before fuel pump work is the fuel pressure. If pressure is low it can be an indication of failing pump but it can also be an indication of failing fuel pressure regulator.   Fuel pressure regulator can loose spring force that controls fuel pressure causing low pressure condition and poor fuel spray in the intake port. Pressure regulator is quite inexpensive to change compared to fuel pump.   Depending on the car dealer it seems they want to do the most expensive job first, which you pay regardless if it fixes the problem and then they start changing the other parts that can be the problem.   Have you changed spark plugs yet? They can be the problem too. I know they say you can go 100 000 miles with the factory installed plugs but I would, and have changed mine, already before 50 000 miles. Factory installed spark plugs seldom are the best you can get either as is the case with plug wires.   Start with the fuel filter, which if I remember right is located on driver side in about middle of the car on inside of the frame beam. Lucky you have a fuel filter as some other cars have fuel filter only at fuel pump itself. You could check the fuel pressure before changing the filter to see if it makes any difference.   If filter change does not help check / change fuel pressure regulator.   Fuel filter and pressure regulator change I think cost $200 or less. Fuel pump job I have seen from other posts cost $800 - $1000.   One thing that perhaps tells about filter problem is easy test to do. When the engine is cold and you would need to turn the key twice before it starts do this:   Turn the key only to make all instrument panel lights to come on, i.e. turn the key to ON but DO NOT TURN IT TO START. You should hear the fuel pump to operate for a couple of seconds. Now turn the key OFF and then turn it like you normally would start the engine and see if the engine really starts. This could indicate that indeed the fuel filter is restricting the fuel flow to the engine and you kind of need a "pre-charge" from the fuel pump before you are able to start the engine.   Arrie

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