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Chevrolet Suburban and Tahoe No Start problems

Just bought this in May. 105k KM's (65k miles). Fully loaded. 5.3L. Has started fine every day since we bought it. It had started to crank over a little longer first thing in the morning, or after sitting for several hours. So I've been letting the pump pressurize fully before cranking and it starts within the first few cranks, just like any other time.

Yesterday afternoon my wife goes to head out and it won't start. She tried it several times. I came home a few hours later and checked the plugs. Saw the threads were a little bit wet so fuel was getting in there I figured. After trying to start it a few times, I could smell fuel at the tailpipe. I then removed a spark plug and held it while she cranked it to see if there was spark. Yeah, not the smartest thing, but I sure did find out there was spark! Saw the spark and felt a nice big snap in my hand when it did! Anyway, tried it again this morning and still no start. So I don't think it's a flooding issue.

I also have a CompuStar alarm, but no remote start connected. It seems very strange to me that fuel could be getting to the cylinders, and spark and it doesn't fire. I located the fuel filter but it ran totally fine until this point. No sluggishness or any of that, so a filter makes no sense. I hear the fuel pump prime every time the key is turned to 'ON' position. The CEL (check engine light) is on, but has been intermittently since we bought it from my wife's dad. Ran the codes right after buying it and it said something about spark on the drivers bank so I replaced the plugs on that side. Otherwise the truck runs very well, CEL on or off. The truck has an aftermarket exhaust, MAF, and K&N intake kit on it. I've owned Dodges always and you can check the codes yourself, but I think you need a scanner for this right?

Any ideas? It's in our garage right now which is good, but I'd love to be able to diagnose it before it goes out to a shop.
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Comments

  • pan3pan3 Posts: 5
    Turn key, nothing but dash lights. When it does start, prints "Service 4 Wheel Drive", stays in low gear for a long time before upshifting one gear up (probably in a limp mode?). Dealer sees lots of "u" codes. Has called tech support, no luck. Done it twice in last three weeks from a cold start. Dealer wants to replace computer "can". Searched web and nothing out there. Only 3,000 miles. HELP!!!!
  • Research the lemon laws in your state and start your documentaton on this vehicle. This sounds like a problem your dealer may never be able to solve and you want to be prepared to make them take the vehicle back for a new one or a refund on your money. Document! Document! Document!
  • I'm interested in purchasing a brand new tahoe at the beggining of next month. I want to know does anyone have any major problems with the 07's? I want a 2WD LT.
    This is my first american car purchase and hopefully it won't be my last. I have heard nothign but great reviews about it. But I also heard great reviews on the Chrysler 300C and we all know the troubles that come with owning one of those. Any and all feedback is appreciated.
  • I have an AM/FM Stereo, CD/DVD, Navigation system that I've had problems with from the beginning. First I lost all audio...no radio, no alarms, no blinker noises...nada. The dealer replaced the radio and amplifier.
    Then I bought 2 new CD's and the first one hung-up after 30 seconds. I figured I had a bad CD so I went right back in to the store and got another one...same thing. I played this same CD at home and in my wife's Volvo and my buddy's Chevy Avalanch...no problem. It happened on another CD also so back to the dealer it went. They agreed there was a problem and another radio was installed today. SAME problems.
    Is anyone else experiencing this sort of thing?
    Thanks.
  • Hi my name is Yasen and I am doing transportation business using two new 07 Suburbans and one 04 Suburban. I usually drive around 75000 miles a year and I have a really good chance to see which vehicle is good and which is bad. The Tahoe is almost the same as the Suburban and I can tell you that they are great vehicles. The only thing I can tell you is as bigger car is as more problems you are going to face it. American SUVs are the best on the market and of course they have lots of problems but believe me Japanese SUVs are not any better than Americans ones neither the Europeans ones. I have these problems with the 04 one: tail light are not working and funny problem with the AC, which is automatic. The AC sometimes just decides not to work and I suspect an electrical problem. Maybe GM is making better the 07 models but who knows the time will show up, especially if taking the fact on mind that i use these vehicles too much. I will definitely advice you to buy one of them but try to do a good deal when you buying the Tahoe. Definitely buy under the invoice price. You are going to fine one, just do not hurry. The Tahoe you could buy is around 30000 out the door price.
  • ktm9ktm9 Posts: 4
    My 4 week old 07 Suburban has been in the shop for a week for a vibration problem. Every time the dealer says it fixed, it is actually worse. They have told me they rebalanced the tires, then replaced the rear tires, then replaced all four and "checked" the drive train.

    Can clues????
  • Where is the Vibration?
  • ktm9ktm9 Posts: 4
    The steering wheel, center console, and driver and passenger seat vibrate pretty bad.

    The service manager says "it normal for an SUV". We have a loaner Tahoe that rides really nice.
  • Odd, I know for me I have a little feedback in the gas pedal at like 1500 RPMs and between 30-45 MPH. Nothing serious just was wondering if that was what you were talking about. I also have the rattle in the headliner. I have narrowed that down to the rear overhead light. It seems they did not design it 100% perfect and it needs a little something to hold it tight and not rattle. But other than that no issues. The truck is built well and doing everything I ask of her.
  • ktm9ktm9 Posts: 4
    No, the vibration is in the entire vehicle. When I drive 45 and higher the whole truck shakes. I wish I could my truck is well built.
  • Beware of the sunroof option. Apparently the 07 "wicking system" has been designed to, in short..LEAK. If your interested in this feature, I urge you to at least take it through a car wash to determine if it's an issue on that particular vehicle, and if it is, can you live with it? Do this before you purchase. We are still in dispute over ours and so far have only been assured "that the sunroof is functioning as designed". Sadly, this was our first american car.
  • The same system is in practically all, if not actually all, modern cars with a factory sunroof. It's not a wicking system- it's a drain system to handle any water that makes it past the sunroof's seal. In short, it's not designed to leak. But it is designed to keep the leak from harming anything should it occur.
  • I have a host of issues with my Tahoe, thankfully the sunroof is not one of them. I have owned 2003, 2004, and now the 3007 Tahoe all with the sunroof option. Not one leak. We had a torrential down pour this weekend, I was on the interstate driving at 45 -70 MPH, not a drop. Suggest you keep on your dealer and possibly try a different dealer. I have never had a problem in the car wash and I wash the truck at least once a week. Good Luck George
  • I understand the drain system--as I've had a sunroof in every car I've owned for the last 20 years and not one ever leaked. This problem in our 07Tahoe is especially concerning, as the fabric on the roof has gotten wet, and when we have recreated this problem with a hose, I get sprayed in the drivers seat. The car has GPS and DVD and I am afraid in a short period of time the water issue will be a larger problem, possible affecting electronics. We are pursuing the issue through the BBB to start with and if anyone has recommendations on other avenues I'd greatly appreciate them.
  • rockman59rockman59 Posts: 250
    rherrera said: We are pursuing the issue through the BBB to start with
    ____________________________________________________________
    I doubt that you will get much help with the BBB. You should be going after the dealer all the way up the the GM or owner and/or the regional GM people. Raise hell, get mad,(in a positive but very firm way) let 'em know you will not back down until the problem is solved. Keep the pressure on.
  • We have delt with the dealership, gotten the run-around each time and they've had some regional person deem the sunroof "functioning as designed". We've brought the truck in 3 times, nothing done each time and there's a lot of phone calls coming in from GM but we're unable to get back in touch with them. I'm beginning to think we just need to get a lawyer and go to war. I was hoping it wouldn't come down to this. I was also thinking about going to the media and press--anyone try that before?
  • there's a lot of phone calls coming in from GM but we're unable to get back in touch with them
    ____________________________________________________________
    Do you mean that GM is returning your calls? If that's the case it seems at least they want to talk. Better figure out a way to get back to them on the phone or email. Better than spending money at this point by hiring a lawyer.
    And you might want to take the vehicle to an indie sunroof shop and get their opinion on the problem. You shouldn't have to do this...but again it is still less costly than a lawyer. Try to make a connection with GM...before spending any money.
  • Sounds like yours is definitely abnormal. I hate when dealerships give customers the runaround. I hope you get your problem resolved, but I'd definitely look at another dealership for future service issues. The folks at this one don't sound competent.
  • My 2001 Suburban 5.3L K1500 left me stranded last evening. It started fine, I drove it for a mile, and parked the car. When I came back 2 hours later, the starter showed no signs of life. Light are bright. Gauges work. I tried a jump. No luck. I pulled all the fuses and all are good. I bought a new starter relay and replaced the old one. No luck. I wrapped the starter lightly with a hammer. No luck. I pulled the battery wires off, cleaned the connections and reinstalled. No luck. At this point I'm convinced the problem is either the starter itself or some sort of interlock with the transmission. What other diagnosis should I perform? Anyone have a similar experience or have any suggestions?
  • arriearrie Posts: 312
    Could be the Park/Neutral switch that disables starting with gear on.

    Arrie
  • Yes, the park/neutral switch is a possibility. My question is where is it? On some of my cars this switch is on/in the tranny and on some it's part of the steering column. Anyone have a clue where this switch is on a 2001 Suburban?
  • Before you go any further, I would make sure to load test the battery to make 100% sure that it's up to snuff. I've had several experiences where a battery with a dead cell would light the lights, run the radio, etc. but when the key was turned, nothing but silence under the hood. Most auto parts stores will do this for free. Good luck.
  • Battery is new and has been load tested. I did have a bit of good luck today. While someone else was turning the key, I was checking for juice at the starter motor. While fishing around trying to get the meter on the terminal I happened to wiggle the cable from the battery down at the starter motor. The car started. Problem is that I don't really know whether it was the cable I wiggled or the person repeatedly turning the key that caused it to start. I've started it 5 times since and it's like it's back to normal. No hint that it had any trouble starting. This is still a mystery and I'm sure I'll have to deal with it again, but for now the car is starting.
  • sounds like you just have a looses connection somewhere on the starter or somewhere else. a way to test this is to wiggle the wire and see if it starts. if it doesnt then you could most likely wiggle it again until it works
    ~tom
  • your going to wanna kick yourself for this, but i have the same problem, all i did was add about 3 gallons of gas into the car and it worked. my car will not start if i let the gas meter get to about 1/4 tank. not sure why. im probably too late on this reply to help you but... hey.
  • Wow, that is odd. My car just started after 3 days. No explanation why. It just started like nothing was ever wrong. Sure, in those three days I jiggled every wire I could find, replaced fuses, jumped the battery (my battery was only 3 months old), tried to diagnose the key lock cylinder switch... nothing looked bad. The car started after three days and has started every day since then. I can't explain it and I am not of a mind to pay GM $000's to replace every part in the car trying to figure it out either. Glad you got yours going. I did have a BMW once that was supposed to look for fuel pressure in the fuel injection before cranking the car... wonder whether the GM engineers copied that idea and hence the gas in your tank somehow restored fuel pressure to the FI system?
  • Pimpmatt73 said: "All I did was add about 3 gallons of gas into the car and it worked."
    ___________________________________________________________
    Maybe when your fuel guage gets to 1/4 your tank is actually empty. Better check the accuracy of your fuel guage.
  • I have a 2001 Tahoe LT with 101000 miles in it. Over the past few months, it will not start on the first try. It'll crank just fine but thats all. All gauges respond as they should. It almost seems like its not getting fuel or spark. It always starts by the 3rd try.
    Any ideas?

    TIA,
    JP
  • HEY! IVE BEEN DRIVING MYSELF CRAZY WITH SAME PROB GO TO MESSAGE #672 UNDER CHEVY SILVERADO PROBLEMS AND SOLUTIONS. ITS WORTH A TRY! SEEMS TO MAKE SENSE, DEF A SECURITY ISSUE ALTHOUGH OTHERS ON HERE HAVE MESSED WITH FUEL PUMP REGULATOR ITS SPENDY THOUGH APPROX 600 AT DEALERSHIP. SEEMS TO BE RAMPID WITH TAHOES AND SILVERADOS. GOOD LUCK :mad:
  • I bought my Tahoe back in December '06. I love the idea of remote start. My remote periodically will start the vehicle and the vehicle dies. You cannot restart it from the remote. You can start it with the key at the point. I have taken it to the dealer once and they reprogrammed it. They said it is getting an engine code causing it to die immediately.
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