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PERIODIC STARTING AND STALING TROUBLES

Sent to Car Experts June 12 08:28 PM

I recently bought a 1999 GMC savanna 2500 cargo van with 100k on it. The truck runs great and everything works except for one recent problem. The van sometimes stahls out and it just wont start. I try and start it an hour later and it starts and runs fine. It happens more often now. The problem first started about 6 weeks ago. I had the gas filter changed and the EGR and the relay for the fule pump changed. I am still experiencing the same problem. What should I do?

Customer (name blocked for privacy)
Status:  Closed   Value: $25
Answer
June 12 8:38 PM (10 minutes and 14 seconds later)
         
REPLIEDCheck Mark

Your going to have to do some testing at the time it isn't starting.

  1. Check for spark at the plug end of the wire
  2. Check for injecter pulse using a noid light. (shown below)
  3. Check for correct fuel pressure using a fuel pressure gauge.
  4. Once you know which of these is dropping out, you'll know which system is having a problem.

Images available only to Customers.

Tech501 -- Auto Service Technician -- 96% Positive Feedback on 740 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance
Reply
June 12 8:51 PM (12 minutes and 41 seconds later)
         
Reply to Tech501's Post: There is a problem with doing these things.
I am not a mechanic and I can't do these things.
If it stahls and than I bring it to the mechanic they don't know what to fix, at least that is what they tell me. They want to keep changing very expensive parts.
If I bring it to the GMC dealer and it runs all the way there and doesn't stahl during this period what are they going to do? Aside from probably telling me I need about $3000 worth of work and a new engine. If I bring it to a regular mechanic they don't want to guarantee me that they can fix the problem, these guys are all crooks around here, even the dealers.
Customer (name blocked for privacy)
Reply
June 12 8:53 PM (2 minutes and 33 seconds later)
         
I am not a mechanic and I can't do these things.
If it stahls and than I bring it to the mechanic they don't know what to fix, at least that is what they tell me. They want to keep changing very expensive parts.
If I bring it to the GMC dealer and it runs all the way there and doesn't stahl during this period what are they going to do? Aside from probably telling me I need about $3000 worth of work and a new engine. If I bring it to a regular mechanic they don't want to guarantee me that they can fix the problem, these guys are all crooks around here, even the dealers.
Customer (name blocked for privacy)
Reply
June 12 9:00 PM (6 minutes and 41 seconds later)
         
I am not a mechanic and I can't do these things.
If it stahls and than I bring it to the mechanic they don't know what to fix, at least that is what they tell me. They want to keep changing very expensive parts.
If I bring it to the GMC dealer and it runs all the way there and doesn't stahl during this period what are they going to do? Aside from probably telling me I need about $3000 worth of work and a new engine. If I bring it to a regular mechanic they don't want to guarantee me that they can fix the problem, these guys are all crooks around here, even the dealers.
Customer (name blocked for privacy)
Answer
June 12 9:02 PM (2 minutes and 28 seconds later)
         
THIS ANSWER IS LOCKED!
You can view this answer by clicking here to Register or Login and paying $3.
Tech501 -- Auto Service Technician -- 96% Positive Feedback on 740 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance
Reply
June 12 9:14 PM (11 minutes and 42 seconds later)
         
Ok, here is the problem with pushing the accept button.
1. If I go to start the truck tomorrow and it works what do I do? Not everyone has the testing equipment, maybe you do but I don't. So when it doesn't start I will be in the same boat as I was before I asked the question on here.
2. I would like to have my truck fixed and don't expect to pay for unneeded parts over and over again. I already spent about $400 and I still have a not properly functioning truck.
3. When you go to the mechanic they ask you "what's the problem?" They all say "ok, we'll take a look at it and see what we find." Than I get the phone call telling me I need a fuel pump job that costs $600 but they CAN'T guarantee that the truck will be fixed after that. That is what happened last time I paid over $400, the next day it started again. How can you possibly stick up for a mechanic shop that you don't even know?
Customer (name blocked for privacy)
Answer
June 12 9:20 PM (5 minutes and 55 seconds later)
         
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Tech501 -- Auto Service Technician -- 96% Positive Feedback on 740 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance
Reply
June 12 9:32 PM (11 minutes and 42 seconds later)
         
Yes, I am the one with the car that has the problem. I also am the one who PAYS the so called mechanics to fix the problems, and I did pay and have absolutely no problem with paying for the right job. I am not a mechanic, I am a person who needs their car fixed and I came here to get a realistic answer to "what I should do to get my car fixed" You have not given me, the person who needs the car fixed a realistic way of getting it done. You have given a mechanic a way of diagnosing the problem, remember I am NOT a mechanic. Do I bring my car to a shop and tell them how to fix my truck? Please tell me how to get my truck fixed without going out to buy testing equipment.
Customer (name blocked for privacy)
Reply
June 12 9:34 PM (2 minutes and 19 seconds later)
         
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Customer (name blocked for privacy)
Answer
June 12 9:39 PM (5 minutes and 2 seconds later)
         
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Tech501 -- Auto Service Technician -- 96% Positive Feedback on 740 Car Accepts
38 years exp, ASE Mastertech with L1 Advanced Engine performance
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