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Chevy Suburban/Tahoe Rough Idle and Stalling

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  • Christina, I am sending you my service request number through e-mail. Unfortunately, the fuel tank pressure sensor replaced last week DID NOT HELP whatsoever with this problem, and I am having my Suburban towed the 4th time to the dealership.

    I want this engine issue elevated immediately to a district specialist who supposedly can investigate further into this case and perhaps change something more important, like the engine, to fix this.

    Seriously, what good is a 100,000 mile powertrain warranty if you are unable to fix the problem? I am going to count exactly how many times it takes for GM/Chevy to solve this problem.
  • mcc1202mcc1202 Posts: 1
    Hi cowboyd,

    Did you ever figure out what this was. I have a 2004 Suburban and it dies on road trips but does fine around town. My mechanic says they can't find anything wrong. I haven't taken it to the dealer yet.

    Thanks!
  • Let me start by saying that I love my Suburban and the dealership has been wonderful but I have now hit my limit on the number of repairs we've encountered with engine issues. Since we purchased the car, we've had in the dealer service repair for over 30 days. We don't fall under the state lemon law because the majority of our issues happened after 24k.

    At 1k - we had to have the steering gear replace. 5 days out of service.

    At 27K in Nov, but within 2 years of purchase, our stabilatrac and traction control warning lights went on - engine power reduce. All the AFM lifters on the cylnders had to be repaired. #10-06-01-007B: Active Fuel Management (AFM) Engine. 14 days in shop for repair.

    Then at 29k in Feb, engine light goes on - no engine power when running so had to get towed. Throttle body assembly had to replaced - 13 days out for repair.

    Today, 31k in May, check engine light goes on AGAIN after a two hour drive. Third time in 5 months. Engine is losing power - taking it into the dealership on Monday.

    I no longer have the confidence to take this car on two hour "long trips" vs. driving around the city with my three kids. I'll report back on the nature of the current issue.
  • gmcustsvcgmcustsvc Posts: 4,001
    seattlemom1,

    I apologize for the problem you are experiencing with your vehicle. By chance, have you been in contact with GM Customer Assistance?

    Thank you,
    Caron, GM Customer Service
  • How do I contact them and what can they do for me?
  • gmcustsvcgmcustsvc Posts: 4,001
    seattlemom1,

    The number for GM Customer Assistance is 1-800-222-1020. Hours: Mon to Sat, 8am to 9pm ET; Closed Sunday. Customer assistance will work with you and the dealership to get the issues resolved.

    Thank you,
    Caron, GM Customer Service
  • 514329514329 Posts: 60
    is this a stalling issue on all suburban or 2009 models??? i am looking to get the 2011 LT or LTZ and looking forward to it but with this problem, i'll probably look somewhere else. this is gonna be my first american car. my wife is against it and i use to have 04, 08 armada and 2011 honda pilot and never had a engine stalling problem.
  • geneygeney Posts: 2
    edited July 2011
    I called GM Customer Service about my Suburban 2500 problems and after 3 days of being helpful today I received a call from the "specialist" who told me that the only thing they were going to do was keep trying to fix the problems I am having. After all it is 24 days old with 500 miles and has spent more days in the repair shop than in my driveway. What's an oil leak, a front end that can't be aligned and oh yes the incredible vibration going down the highway. Hey GM, take a little pride, show some appreciation for our tax dollars that kept you in business. Have a bit of pride and stand behind your product. The world would be a better place without GM.

    Gene Y
    FL USA
  • pattijpattij Posts: 1
    I have had the same problem. Reduced engine light came on reduced power to 20 mph. Had it towed to my mechanic he replaced the throttle board. it seemed to fix the problem for about 8 months and it did it again. I was told by my mechanic and chevy dealer it has to be in that mode to diagnose it. Has happened 4 more times in the last 3 months always on a saturday or sunday. It seems everyone has this problem and nobody can diagnose it. Chevy won't own up to it getting rid of it and won't buy another one. Also had whole instrument cluster go out and chevy wouldn't replace it although they had a recall on it said I had to many miles on it. I can't have an unreliable vehicle. Have you found the answer to the engine power resolved yet?
  • I have a 2004 Suburban Z71 that has recently started to die while I am driving down the highway. Once the engine has failed it will not re-start immediately, it will however restart after 5-10 minutes of repeated attempts and then run normal for a period of time. The check engine light does not come on. When attempting to restart - the engine fires, and may run rough for a few seconds but then it dies again. As an attempt to repair, I have replaced, plugs, wires, fuel filter, air filter. Dealer does not know what is occurring and of course has not been able to replicate the problem. Would greatly appreciate and responses
  • alanrsalanrs Posts: 25
    Sounds pretty much like what I posted a couple of days ago... Fuel Pump failure. Here is an idea: Obtain a can of starting fluid and carry it with you, also whatever tools are required to remove the rubber hose from the manifold snout at the throttle butterfly, if your setup is like my 2001 version.

    The next time it dies and won't fire, disconnect the hose and squirt a short burst of the fluid into the intake. If it fires right up for as long as the starting vapor lasts, the problem is fuel pressure related. As I mentioned, swapping out a fuel pump on one of these trucks is a really tough job.
  • Yes, based on readings the dealer was able take of the fuel pump, and a discussion with GM, we have replaced the fuel pump (almost $800!) but appears to be functioning properly now. Nedd to drive for several more trips to regain my confidence that it is resolved. Thanks for the response
  • I don't know if you're stalling issue is the same as mine but here's what mine was doing and what the dealership did to fix it. I hope this helps out a lot of people and possibly saves lives since this issue almost caused 2 accidents for me!

    Engine would randomly stall on deceleration like when coming to a stop or entering a turn during extreme high outdoor temperatures and the engine being under a heavy load with A/C on high, brakes applied, power steering be used in a turn, etc. Here in TX we're experiencing 100+ degree days so people living in cooler temperatures may not experience this problem as often as I did.

    Please take it to the dealership and provide them this Service Bulletin #09-06-04-035A. All it is is a computer update to reprogram the ECM.

    Good luck!
  • Can you tell me what year your suburban is
  • did you find the solution to your sub rough idleing issues? I have a 93 with the same thing
  • Adding on to my original post as the saga continues - 2008 Chevrolet Suburban with 40k miles. We don't fall under the state lemon law because the majority of our issues happened after 24k. Lee Johnson Cheverolet has been very responsive but the issues continue to happen and now I'm worried about overall damage to the engine.

    1k - we had to have the steering gear replace. 5 days out of service.

    27K in Nov 2010, but within 2 years of purchase, our stabilatrac and traction control warning lights went on - engine power reduce. All the AFM lifters on the cylnders had to be repaired. #10-06-01-007B: Active Fuel Management (AFM) Engine.

    29k in Feb, engine light goes on - no engine power when running so had to get towed. Throttle body assembly had to replaced

    31k in May, check engine light goes on AGAIN after a two hour drive. Third time in 5 months. Engine is losing power. Replaced fuel pump, gasket and seal.

    32k June - oil leaking - oil filter seal had contamination and has to be replaced.

    36k August - blue smoke and ticking - oil consumption test performed and failed. Engine cleaned and lifters/seals replaced - again.

    40k November - leaking oil again. Two other suburbans in dealship with the same issues. Contacted GM customer service to open a case. I've had enough.

    I no longer have the confidence to take this car on two hour "long trips" vs. driving around the city with my three kids. I'll report back on the nature of the current issue.
  • Stever@EdmundsStever@Edmunds YooperlandPosts: 38,927
    If you don't get any help from the dealer or GM, ask around. Apparently lemon law isn't an exclusive remedy in most states and you may be able to bring a warranty claim. Your local consumer protection agency or AG's office (or a lemon lawyer) would know for sure.
  • gmcustsvcgmcustsvc Posts: 4,001
    seattlemom1,
    Thank you for your post. Have you spoke with GM Customer Assistance? If not I would recommend doing so. Please feel free to email me your information and experience. I look forward to hearing from you.
    Christina
    GM Customer Service
  • I have an 03 Suburban and have been experiencing what sounds like the exact same problem. Driving down the highway and it suddenly dies as if the fuel was cut off. When trying to restart it sputters a few times, and then after waiting a few minutes it will finally restart and run normally. Sometimes for months, sometimes hours, and sometimes minutes. I replaced the fuel pump relay and it seemed to have solved the problem for six months. Then yesterday, on a long trip, it started doing it again. Died 4 times in an hour. Finally, I stopped an bought another fuel pump relay. However, it still dies about an hour later. But, this time I simply got out, switched the fuel pump relay for the one I had switched out, and it restarted on the first try. Just had it checked out by a mechanic who didn't think it was the fuel pump and didn't want to do an $800 job if it wasn't the problem. So, now I am supposed to head home on a 1000 mile trip and have no idea what is going on. Did the new fuel pump solve the problem? Did you try the advice of the poster who mentioned service bulletin #09-06-04-035A? Any help you can give would be greatly appreciated.
  • alanrsalanrs Posts: 25
    Believe me, I am the first guy to not want any mechanic to just start swapping parts that might not be necessary. Look back on this thread to my post #140 for advice on how you might be able to determine if the fuel pump is the culprit for your intermittent and terribly perplexing problem.

    Unfortunately that method of checking for the fuel pump as the issue requires that the vehicle first experiences the problem. Did the mechanic offer a way of monitoring the fuel pressure, to see whether it is sufficient on a consistent basis, or whether it has occasional dips to lower than the required/specified psi?

    Since I installed the pump on my '01 Suburban, it has run reliably for 9 months, including a 2600 mile trip during the summer. Just installed new tires and front brakes, I am ready for winter. Best of luck with your problem.
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