Over heats and will stay running

130,000 MILES • 4.6L • V8 • FWD • AUTOMATIC
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PAT'SCADDY
  • MEMBER
  • 2 POSTS
I got this car for a really good deal. the person from whom I got it from said that it over heats and wont stay on. So I bought a bottle of blue devil. I poured the whole bottle in, but the only problem is that I had to keep starting the car every few minutes the whole fifty minutes that it says it needs to be ran. the car did not want to start afterwards. so I then checked all the fuses to see if any where not good and I found a few of them so I replaced them. I back tracked everything all over again I released the gas pressure from the valve, I was able to get the car started for about five minutes and then it just died. I tried about three or five more times and the car will stay running. Can tell me the what could be the problem?
May 15, 2016 at 3:09 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes and check fuel pressure with a gauge auto parts rent it.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
May 15, 2016 at 11:41 PM
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PAT'SCADDY
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  • 2 POSTS
Where is it located at on this car?.
May 16, 2016 at 2:18 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
the aldl is below lh side of dash near steering column cross A&B turn key on and watch check engine light for flashes it will belike 1 then 2 in series of three then go to our site and olook under OBD1 for code definition. fuel rail has shcrader valve to check fuel pressure just trun key on 41-47 psi
May 16, 2016 at 2:26 AM
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RENEE L
  • MEMBER
  • 1,260 POSTS
Hi Pat'scaddy,

Here is a link to a helpful and informative article that explains the diagnostic trouble code definitions for GM manufactured vehicles made before 1995.

https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

If you need further assistance please come to the site we are always happy to help.

Thank you for visiting 2CarPros.com.

Kindest regards,

Renee
Admin
May 17, 2016 at 10:59 AM
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