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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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What is this discussion about? Pontiac Bonneville, Auto Repair, Sedan


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#67 of 162
Re: Shutting Off [gphilpott] by blindpirate
Nov 21, 2007 (4:05 pm)
Reply

Replying to: gphilpott (Nov 02, 2007 10:20 am)

I too have this problem. When car shuts down, the windows do not work, nor does the drivers seat controls work. I replaced the fuel pump thinking the lack of fuel was the cause but was wrong. I found out today that 1995 through 2001 gm has problems with the ignition switch. Apparently a slight jar to the car while driving, not always picked up by the driver, causes the old switch to jiggle thereby losing the electrical connection to the fuel pump, windows, and driver seat controls. I am going to replace that this weekend and clean the buss as shown in thread #45. Cut and paste this link in your browser select your year and check your vin # to see which switch you need: http://www.autopartswarehouse.com/search/?Ntt=pontiac+bonneville+ignition+switch- &...
 
I hope this helps you and will repost to let you know if it did or did not help me.
Ciao
#68 of 162
Re: Shutting Off [blindpirate] by tulnio
Nov 24, 2007 (7:36 pm)
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Replying to: blindpirate (Nov 21, 2007 4:05 pm)

Hello,
 
Thanks for your reply. Apparently I am having a slightly different issue than you are. My seat control and windows work fine here. This thing just doesn't want to start. Everything seems fine electrically here, security light goes out like it is supposed to as well. (thought this might be the issue but it doesn't seem to be.)
 
I really am running out of options. I would agree, with you except for the fact that everything else seems to be fine.
 
Thanks,
Tulnio
#69 of 162
Re: Shutting Off [tulnio] by gmcatera1
Nov 25, 2007 (10:43 am)
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Replying to: tulnio (Nov 24, 2007 7:36 pm)

My 95 would start then 1 sec later it would shut off . I found that the security system would not send the signal to the ECM to enable the fuel injection. Check Autozone.com for ECM diagram and http://www.bakerelectronix.com/ . You can replace the BCM/security system or order the part from bakerelectronix.for about $50 with shipping
 
GMCatera
#70 of 162
Starting issues by kyearber
Jan 27, 2008 (7:43 am)
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I have a 97 Bonneville SE that is now giving me problems. A couple of weeks ago I started haveing problems with the car dieing at both hwy speeds and idling. It finally dies and I found the crank sensor was bad. After replacing that I now have a new issue, when I try to crank the engine the starter will engage for about a quarter to a half turn of the engine then it will disengage and the starter spins freelly. If I release the key and try it again it will repeat the problem. I replaced the Solonoide yesterday and am still haveing the same problem, although it will sometimes spin the engine enough to get it started. Any ideas what could cuase this?
#71 of 162
1995 poniac bonniville won't start by vcrespo
Jan 27, 2008 (9:51 am)
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hey everyone need some help on my bonni, won't start.i have check for fuel pressure have 38 psi steady. check all ground good also check ground bus on both driver side and passenger side all good. ">
#72 of 162
Starting issues by kyearber
Jan 27, 2008 (6:03 pm)
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Did your '95 bonnie just die suddenlly? It may be the Crankshaft senser, mine had the same problem a few weeks ago. Now I just have this starter issue to deal with.
#73 of 162
Re: 1995 poniac bonniville won't start [vcrespo] by imidazol97
Jan 27, 2008 (6:25 pm)
Reply

Replying to: vcrespo (Jan 27, 2008 9:51 am)

Have you checked for spark? Can you feel the injectors snapping to inject while the car is being cranked?
#74 of 162
Re: Starting issues [kyearber] by vcrespo
Jan 28, 2008 (3:22 pm)
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Replying to: kyearber (Jan 27, 2008 6:03 pm)

thank's for you're reply my car have been down for six mouth and i need it inspected soon. let me start by saying i have cheage the hamanica balance sensor frist. the car did start(run) at frist for a while(two day) my wife went to work one morning and i did change the oil,plug and wire. the car didn't run since.i have fuel pressure about 39psi. also check for plug for fire on #3 it's good.also check for puls on the injector while my wife trun the engine did not feel anything or sound coming from the injector. also check pressure in the plug car was cold. 1-120 3- 110 4-120.2-110 4-120 and last 5-120. so i think i have pressure. i do have a obd2 but i can't use it on a 1995 only on 1996 and above.... can i bye a obd1 cable and use it with my obd2 scanner? any help will be appreciated.
note, i can put gas in the throttle body and the car runs while i keep spring gas into it. it will stop running only when i stop sprying...
#75 of 162
Re: 1995 poniac bonniville won't start [imidazol97] by vcrespo
Jan 28, 2008 (3:26 pm)
Reply

Replying to: imidazol97 (Jan 27, 2008 6:25 pm)

thank's for the reply imidazo. yes i have check for spark on # 3 plug it have spark. and yes also check for puls on the injectors while my wife trun the engine over. felt nothing.i know i have pressure on my regulator (38)psi any help thank.
#76 of 162
Re: Starting issues [vcrespo] by imidazol97
Jan 28, 2008 (6:41 pm)
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Replying to: vcrespo (Jan 28, 2008 3:22 pm)

If it will run while you spray fuel into the intake, then you have shown that the problem is the injection system. It is not operation.
 
I don't know whether it's a sensor? camshaft sensor? PCM control for the injectors? that's at fault. I don't have a service manual for a 1995. If you send an email to my carspace email here I can tell you where you might get help.

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