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PostPosted: Thu May 26, 2016 8:46 pm 
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Joined: Sat Jun 21, 2008 11:42 pm
Posts: 187
Year and Trim: '91 Olds 98 Regency Elite
'88 Bonneville
My daughter went to the store this afternoon in her Impala LS (3800) and when she went back our half hour later the car would not start...called me..... I pressed the shader valve on the fuel line and fuel streams out quickly...... then I put my spark tester on the #1 plug and it had spark...... still won't start (it was running just fine 30 minutes earlier)...... I swapped out an ignition module just to "See"......still no luck...... what else...... Answer me this.... IF a Crank Shaft Position Sensor goes bad will it still produce a spark (just at the wrong time)...... I had an issue like this once before....seems it was sparking but would not start? Thanks for any help?


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PostPosted: Thu May 26, 2016 9:30 pm 
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Joined: Sat Jun 21, 2008 11:42 pm
Posts: 187
Year and Trim: '91 Olds 98 Regency Elite
'88 Bonneville
Well, even though I pressed the shader valve and fuel spirted out....... I just went out had my daughter turn the key as I laid in the trunk..... NO sound from the fuel pump......... Hmmm....may be the problem.


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PostPosted: Fri May 27, 2016 9:22 am 
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Posts like a Northstar
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Joined: Sun Aug 22, 2010 11:11 pm
Posts: 1813
Location: Ontario, Canada
Year and Trim: 2000 Bonniville SSEi L67
hi, please be sure to check fuses/relay for pump

also, the crank position sensor indirectly has an effect on injector pulse
you can check it here.................http://troubleshootmyvehicle.com/gm/3.8 ... k-sensor-1

I just looked over the page and it says this............

Taking all of the above into account, the most important thing to remember is that if you get spark from any spark plug wire... the crank sensor is working and the test in this article won't help you.

please post back with your progress and good luck!

_________________
poverty forces one to do unorthodox things

2000 SSEi
past rides:
1996 SSEi
1992 GTP
1987 Grand Am


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PostPosted: Fri May 27, 2016 8:48 pm 
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Joined: Sat Jun 21, 2008 11:42 pm
Posts: 187
Year and Trim: '91 Olds 98 Regency Elite
'88 Bonneville
Well the problem is fixed...replaced the Fuel Pump and it runs beautifully..... so glad GM started making an access panel in the trunk so the tank doesn't have to be removed..... I did the job in under a 1/2 hour..... AND with a redone hold down ring....... beating the daylights out of the old ring is a thing of the past.


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PostPosted: Sun May 29, 2016 6:50 pm 
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Posts like an L67
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Joined: Thu May 01, 2014 9:37 pm
Posts: 1301
Year and Trim: 1993 SLE
1998 SE
2001 SSEI
2002 SSEI
dandyd wrote:
Well the problem is fixed...replaced the Fuel Pump and it runs beautifully..... so glad GM started making an access panel in the trunk so the tank doesn't have to be removed..... I did the job in under a 1/2 hour..... AND with a redone hold down ring....... beating the daylights out of the old ring is a thing of the past.


Amen to that.
Dropping the tank was the worst part, after 20 years of road salts.

Glad you got it fixed.
Thanks for reporting back on the remedy.


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