Engine Stall Problems of Buick Rendezvous

The contact owns a 2006 Buick Rendezvous. While driving 55 mph, the engine stalled and was able to restart. The failure recurred several times. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 135,000.

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The contact owns a 2006 Buick Rendezvous. While driving at numerous speeds, the engine stalled without warning. The vehicle restarted, but the failure recurred numerous times. The vehicle was taken to a dealer where it was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 72,000.

The contact owns a 2006 Buick Rendezvous. The contact stated that while attempting to reverse, the engine stalled without warning. The vehicle failed to restart after numerous attempts. The vehicle was towed to an independent mechanic for a diagnosis. The mechanic informed that the engine wiring harness needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 144,000.

Engine cut off and reduced engine power light came on while driving down road. Power steering, brakes and everything else completely quit unexpectedly. Could restart after letting sit for 10 minutes, but continued to do this all the way home. Took several more trips out around town and problem just got worse. Was a very dangerous situation, being as it would simply cut off in middle of road while going 55-60 mph and almost unable to keep under control and keep from being hit by other drivers. Parked it at home and researched problem online. Everything I found stated others with same issue would take theirs in for testing and repair and could get no satisfaction, multiple and various parts would be replaced and problem continued. Have replaced alternator, spark plugs and wires, throttle body, ignition switch,cleaned wiring harness connection under drivers seat and checked for corrosion, cleaned mass air flow sensor, and ordered an engine control module, but just found out that it needs to be programmed to the vehicle to work (currently working on finding someone to do that, now). Cannot afford to take to dealership, and after reading all the other dissatisfied individuals info. , I do not feel that it would do any good since no part replacement seems to work. Seems like this is becoming a common problem for Buick Rendezvous vehicles, from what I can see from the other recent complaints. It is also a very dangerous problem. Engines should not stall out while going down the road, thankfully I am just an experienced enough driver that no injuries occurred. Would not have been the same thing if my son or daughter had been driving. It will do no good to file this complaint and no investigation or recall will occur, I'm sure, but at least I can join the other listings showing this is a common problem. Love the vehicle, hate that for the price I paid, I only got 100,00 miles.

My vehicle warms up fine and as I start to drive the engine temp rises to a hot condition and the heater starts to blow cold air. The system has been flushed, the heater core has been flushed, thermostat has been changed. I've been doing alot of research on these problems and there are thousands of overheating problems that never go away. It doesn't matter what you fix the problem reoccurs. I flushed the system and couldnt get it to repeat until a couple days later, then I changed the thermostat with the same result. I never get a warning light for coolant temp but engine temp increases and car will stall and wont restart until it cools down. After 2 weeks of working with this I have the vehicle parked and trying to figure out why gm does not recall these cars and fix them. I was told the only way to completely fix this problem is a new 3. 4l engine from gm. Who can afford that, not me. I have contacted Buick but nothing but a report was filed and added to the pile of other complaints. If this happened at 70 mph on a highway it could be very dangerous.

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