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Pontiac Vibe Engine Questions

132 messages,  Last post on Nov 20, 2009 at 7:06 PM

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#123 of 132 downshift by Luzer Sep 16, 2009 (8:10 pm)
the downhill downshift is a feature in my 2003 vibe. this was an intentional design.
#124 of 132 Engine light and Powertrain Control Module by wong23 Sep 21, 2009 (3:29 pm)
The same symptoms and got the dealer fixed it. The diagnose was PCM is intermittantly open, Program code #FDB64, P2716 error code, and the Bulletin #PIP4154A applied. So they replaced and programmed the PCM under 3 yr/60,000 km warranty. Mine had 47K km for the 2007 Vibe. PCM is the main computer box, and good thing it goes before warranty runs out, costing about $1000 to replace. The car now runs great, and is shifting gears smoothly as before. Good luck. Replies to this message: leed1 (Sep 22, 2009 7:05 am)
#125 of 132 Re: Engine light and Powertrain Control Module [wong23] by leed1 Sep 22, 2009 (7:05 am)
Replying to: wong23 (Sep 21, 2009 3:29 pm) thanks for the info Wong. will talk to my dealer about it.
#126 of 132 STARTING WOES by alabamgirl Oct 14, 2009 (12:15 pm)
I have a 2003 Vibe. It has been a good car until the last 2 weeks. My son drives it to school (college). When he leaves class after a couple of hours, it will not start. We have had the starter and solenoid replaced along with a relay. The battery is good. It is driving him and me crazy. Does anyone have any ideas??? Thanks. Sign me NUTS in Alabama. Replies to this message: maxx4me (Oct 14, 2009 1:48 pm) alabamgirl (Oct 14, 2009 3:43 pm)
#127 of 132 Re: STARTING WOES [alabamgirl] by maxx4me Oct 14, 2009 (1:48 pm)
Replying to: alabamgirl (Oct 14, 2009 12:15 pm) well first, make sure those stupid map lights are not on. While it should not matter much since your car is equipped with rundown protection, those small buttons are easy to hit and thus cause a drain on the battery. Second, how do you know the battery is good? How old is it? Batteries (especially in the hot south) have short lives and need to be replaced often. So if your battery is four years old or more, I'd get a new one. The heat dries out the cells inside whether it is sealed ("maintenance free") or not. One way to test the battery would be to manually turn the headlights on at night with the engine off and see how long until you notice a dimming of the light. Replies to this message: alabamgirl (Oct 14, 2009 3:43 pm)
#128 of 132 Re: STARTING WOES [maxx4me] by alabamgirl Oct 14, 2009 (3:43 pm)
Replying to: maxx4me (Oct 14, 2009 1:48 pm) It is a DIEHARD and I tooks it to Sears to have it checked. Believe me, if it was bad those guys would have sold me another one. I called Pontiac to see if they had heard of anything like this, and of course they had not but said it is the small things that are the hardest to fix. Every time I take it to the garage, it starts just fine for them. Very Frustrating !!!!!!!!
#129 of 132 Re: '07 pontiac vibe power train control module [hardcharger43] by lmst Oct 21, 2009 (6:21 pm)
Replying to: hardcharger43 (Aug 07, 2009 11:41 am) After reading all the entries, it does appear this is a problem with Vibes. Also, it seems as if the older models were under 8/80,000 and if I'm right, now the newer models are 3/30,000 warranty. Does this indicate GM is aware of the problem? My older 2005 car developed this problem at 78,000, almost 2,000 shy of having to pay for the repair. Whew!
#130 of 132 2007 Vibe PCM problem: error code P2716 by daveb11 Oct 28, 2009 (5:19 pm)
I have a 2007 Vibe (1.8 engine and automatic trans) and it has the rough shifting problem with Check Engine error code P2716. It is out of warranty and has been diagnosed as a PCM problem. It is most noticeable when shifting from park to Drive or Reverse, or when it shifts from 1st to 2nd and 2nd to 3rd. I had the Check Engine error cleared and the problem went away for about 15 minutes, then came back (the light came on also). What is the brake assist option and how do I know if my car has it? If I buy the PCM from a junk yard, how do I get it programmed? I know a dealer can do it, but that is probably expensive. Can anyone else do it? Thanks.
#131 of 132 Re: Idle speed at 1500 rpm [lethal_79] by con3 Nov 20, 2009 (4:49 pm)
Replying to: lethal_79 (Sep 15, 2008 8:35 pm) My 2007 Vibe's RPM's will go reving to 4 on the drop of a dime. Even at stop lights, signs, or in Park. The car will actually "buck" forward==very dangerous especially w/ winter coming. Yesterday the check engine lite came on again (2nd time in a month - first time I had to 02 sensor replaced as they said that was why the engine with reving) once the engine lite came on yesterday as I was driving 55 mph the speedometer went to 0. car was idling but only going 5-10 mph - I made it back to the dealerlship and its in the garage now - they can not find anything coming up on the computer. By the way - when I put the car in reverse yesterday to turn around to get to the dealership it ran fine (scary) and once the car sat for a while it was fine. Does ANYONE have any idea what this is? I love the car but it is getting really unsafe.
#132 of 132 PONTIAC VIBE by hardcharger43 Nov 20, 2009 (7:06 pm)
Check my earlier post. My 2007 Vibe at 15,000 miles would barely start and would die when put in gear. My wife had difficulty driving home the night before. I called Pontiac who arranged towing to the nearby dealership. They quickly diagnosed it as a faulty AC Delco computer command control unit. They replaced it that day. The car has run fine since. This expensive computer controls just about everything when the car is running. Ask the dealer to scan for the codes leading back to the computer. My Vibe had the code that made the diagnosis easy. I worry that the replacement AC Delco computer will be as short lived as the first one. Good luck with that. It is a great car. I just wish all parts were Toyota. Unfortunately, some come from GM's bankrupt parts supplier network.

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