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Pontiac Bonneville Starting/Stallling/Ignition Problems

162 messages,  Last post on Nov 16, 2009 at 6:09 PM

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#51 of 162 1993 Pontiac Bonneville " Won't Start" ?? HELP?? by neggie Feb 12, 2007 (7:50 pm)
I have a 1993 Pontiac Bonneville that won't start. All the lights come on and the power windows work but it won't start. It has chip in the key for the ignition, could that be it? I want to take it in to the mechanic but would like to have some idea what what might be wrong with it first. Replies to this message: imidazol97 (Aug 01, 2007 5:43 pm)
#52 of 162 93 bonneville sse wont start by marialo Mar 16, 2007 (6:34 am)
Replying to: shakasm76 (Feb 01, 2007 9:29 pm) My 93 Bonneville wont start. it turns, but wont catch. I was at a light and when i tried to take off, it cut off. I've replaced the crank sensor, harmonic balancer, icm, fuel is getting to the engine, and the starter is good. what's next PLEASE HELP
#53 of 162 Car not catching spark...'92 Bonneville SE by fabrienne May 10, 2007 (5:13 am)
Hi, OK, My car is turning but it refuses to turn over and start. When I turn the key it just turns, it seems like it's not catching a spark OR getting gas to somewhere. Then again it might be electrical, it's almost like I'm trying to steal my own car! I could get a diagnostic check if I could start the car and actually drive it to a shop. I've heard things like ignition coil/module, key pad battery, (keyless entry) and alot of other things that dont sound promising. Though now and again it will start when it feels like it. To me it sounds like something is off set (electrical) Replies to this message: imidazol97 (May 27, 2007 4:58 am)
#54 of 162 Re: Possible Starter Problem? [shakasm76] by torqed May 26, 2007 (6:27 pm)
Replying to: shakasm76 (Feb 01, 2007 9:01 pm) just had the same problem on my 1999,it was the theft deterent module behind the glove box . The part is around 250.00 from the dealer (dealer only part) it's about the size of a pack of cigarettes. pain in the $#%. hope that helps good luck.
#55 of 162 Re: Car not catching spark...'92 Bonneville SE [fabrienne] by imidazol97 May 27, 2007 (4:58 am)
Replying to: fabrienne (May 10, 2007 5:13 am) If I understand your statement:   The car is cranking.   You're not getting what sounds like any firing so you may have a spark problem or a fuel problem.   Have you tried listening for the fuel pump when you first turn the key? It should run for 2-3 seconds and then stop after having built up pressure. This occurs every time you turn the key from off to on.   Checking for spark may require removing a spark plug wire and placing it next to a metal ground and watching for the spark while someone cranks the motor.   If your car is cranking then it's not the theft deterrent part of the system. It reads a resistor in the key, and the theft portion says it has the right resistance reading or doesn't. If it doesn't it allows 3 tries and then turns on the security light flashing and lasts for about 3 minutes before allowing another try.   When you put the key it and turn to "on" the security light should come on for about 10 seconds if you just sit there without turning the key to crank. The light is solid and goes off. That indicates a good reading.   IF THE READING is wrong the car will not crank. The dash lights are all on, but it's like a dead battery as far as the starter and ignition.   You're getting cranking so it's not the theft deterrent. If it is not cranking be very careful because early years had a different theft deterrent setup than a few years later if I understand other posts in another forum. The theft deterrent readings were done by the main computer. Later cars had a separate theft deterrent module.   The two little wires to the key can be cut where they connect into a connector near the base of the steering column and a set of resistors from a Radio Shack type store can be soldered in the line to replace the correct resistance the key should give and the car goes happily on fom there but just no theft deterrence. The little wires break partially or completely up at the top where the column flexes.   The list of resistances is available as VATS system lists on the web. You resistance on the key chip should be close to one of those readings. You do not need to buy a replacement module.   I repeat, you have cranking, therefore your problem is not the theft deterrence module.
#56 of 162 Re: Possible Starter Problem? [shakasm76] by rwigren Aug 01, 2007 (2:14 pm)
Replying to: shakasm76 (Feb 01, 2007 9:01 pm) I had the same problem as you its actually quite an easy fix. It has to do with the security of the car so it won't start up. Get a new battery for your remote and try starting it up that way that's how I got my started back up but my security light stays on now. Hope that can help you
#57 of 162 Re: 1993 Pontiac Bonneville " Won't Start" ?? HELP?? [neggie] by imidazol97 Aug 01, 2007 (5:43 pm)
Replying to: neggie (Feb 12, 2007 7:50 pm) Is the "security" light flashing? If so, that means the key resistor is not getting read correctly and the VATS systemis locking out the starter. After 3 minutes you can try again with a different key if you have one or with a key where you've cleaned the resistor. The wires n the steering column break after tilting the wheel up and down millions of times. Or the contacts inside the key cylinder don't contact the key like they used to do.   Or if your security light isn't indicating a wrong key chip reading, there are problems with batteries they age. Some of the folk here need to use a jumper to a good battery and see if they can start their car. There also can be corrosion on the battery cables at both ends and on both cables. There have bee problems with battery acid leaking around the contacts and the acid wicking down into the cable inside the plastic and deteriorating the cable.   A starter can go back and just make no noise when you turn the key to crank. The check there is to use a voltmeter and see if you're getting current on the starter connection at the starter under the car when someone turns the key. A friend of mine actually used a jumper cable to go from a battery charger that has a surge capability to give jump starts and contacted the starter terminal to check his starter--nothing.   If you've been getting oil dripping under the car from the oil pan seeping slightly over the years, that can get inside the starter and cause problems.
#58 of 162 Pontiac Help by robertgrimsley Aug 15, 2007 (11:24 am)
have a 1995 Pontiac Grand Am GT with a 2.4 liter quad 4 engine. It is also a 5 speed with 154,000 miles.My car ran fine until i put a for sale sign on it in my front yard(go figure:). The other day i went to crank it to wash it off from sitting under the trees and there was nothing but a click. Well after about 6 clicks it started turning over BUT would not crank. I turned the key off and try again and there is a click again. Sometimes it might take 2 turns of the key and sometimes 6 or 7 times before the motor starts turning over. Not sure what the deal is so out of curiosity I had my wife come out and try get it turning over(after a couple of trys) and I sprayed starting fluid into the breather. It acted like it was going to crank then but to no avail. Could you offer any advice on this problem and thank you Replies to this message: imidazol97 (Aug 16, 2007 4:21 pm)
#59 of 162 Shutting Off by henryl Aug 16, 2007 (4:04 pm)
I have a 96 Bonnie SE sometimes while im driving the car just shuts off (this happens at freeway speeds) Sometimes I can put the car in neutral and it stars other time I have to coast to the side of the road and try to start itagain any solutions? Also the security light comes on then after 3-5 min I can try to start the car. Replies to this message: gphilpott (Nov 02, 2007 10:20 am) blindpirate (Nov 21, 2007 4:05 pm) tulnio (Nov 24, 2007 7:36 pm) and 3 more...
#60 of 162 Re: Pontiac Help [robertgrimsley] by imidazol97 Aug 16, 2007 (4:21 pm)
Replying to: robertgrimsley (Aug 15, 2007 11:24 am) If you're saying that it's not turning the motor over and you're just getting a click, I'd start by removing and cleaning and inspecting the battery cables at the battery. See if there's corrosion on them. If the positive has more than one cable layered onto a single post check between them carefully for corrosion from the battery acid atmosphere.

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