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Sent to Car Experts August 30, 2005 11:06 a.m.
I have a 1991Chevy Lumina APV. I have replaced the Ignition Coil, ECM, and the feul pump. When it starts and runs, it runs very well. If you can get it started. It seems like after it gets warmed up to operating temp. and you shut it off it wont start again for awhile . It will just turn over and over, sometimes it will be a day or two before it will start again. Other times it will only be half an hour. Could it be as simple as a cap and rotor or the pick up inside the distributor?
Customer (name blocked for privacy)
Status: Closed   Value: $10   
Answer
August 30, 2005 7:25 p.m. (8 hours and 18 minutes later) 		REPLIED Check Mark

You need to first test a few functions during the failure.

1) Test for spark at the plug end of the wire using a spark tester.
2) Test for injecter pulse using a small bulb called a noid light.
3) Use a fuel pressure gauge to test for correct fuel pressure.

Once you have determined which of these functions has dropped out,
you will know which system is having the problem.

Here's what the noid light looks like.

Images available only to Customers.
PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
Reply to Hammer Time
Sent August 31, 2005 8:59 p.m. (1 day and 1 hour later)
O.K. ran the test! When the vehicle wont start. there is no feul injector pulse or spark. For what ever reason the vehicle will start and every thing checks out fine. Checked the ground from Body to engine and Battery to body, replaced ground from body to engine. Still wont start today. Yesterday it ran fine.
Customer (name blocked for privacy)
Answer
August 31, 2005 9:10 p.m. (10 minutes and 45 seconds later)
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PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
Reply
Sent September 03, 2005 5:08 a.m. (2 days and 7 hours later)
I've serched all over and can't find a crank sensor. Where would that be located on a 1991 Lumina APV w/ 3.1 litre V-6
Customer (name blocked for privacy)
Answer
September 03, 2005 6:30 a.m. (1 hour and 22 minutes later)
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PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
Reply
Sent September 03, 2005 5:47 p.m. (11 hours and 17 minutes later)
I called the Auto Parts Store for the part. They said they didn't have a listing for one and didn't believe that pareticular vehicle had one.
Customer (name blocked for privacy)
Answer
September 03, 2005 8:20 p.m. (2 hours and 32 minutes later)
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PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
Reply
Sent September 04, 2005 8:21 a.m. (12 hours and 0 minutes later)
I'll do that.
Do I need any special tools for this project? Does the crank sensor need to be calibrated or dialed in with any kind of meter, or anything like that?
Customer (name blocked for privacy)
Answer
September 04, 2005 8:27 a.m. (6 minutes and 18 seconds later)
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PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
Reply
Sent September 04, 2005 8:58 a.m. (31 minutes and 5 seconds later)
I searched all around the balancer and didn't find it there. I haven't searched the block yet. You wouldn't happen to have a diagram for this would you?
Customer (name blocked for privacy)
Answer
September 04, 2005 9:07 a.m. (8 minutes and 43 seconds later)
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PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.
Answer
September 04, 2005 3:05 p.m. (5 hours and 57 minutes later)
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Tim  -- Store Manager Auto parts -- No feedback on 12 Car accepts
ASE P2 Certified, Vocational degree, 20yrs in field,+
Answer
September 04, 2005 3:14 p.m. (9 minutes and 42 seconds later)
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PictureHammer Time  -- L1 Master Technician -- 98% Positive Feedback on 2710 Car Accepts
ASE Mastertech with Adv level Engine performance cert.

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