Hard Starts...Checklist - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-13-2003, 12:10 PM   #1
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Default Hard Starts...Checklist

As some of you may know I have been having some real problems with start up on my car after it sits for a few hours.

-The alternator/battery/starter are very strong
- Lots of pressure in the fuel lines
- Strong Pump, charges and sends no problem
- No Driveability issues...runs smooth
- Premimum fuel only (i only go as low as 89 octane)
- Replaced fuel pressure regulator

Today I went for a complete fuel injector conditioning, I will keep all of you up to speed on the results of that

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Old 08-14-2003, 01:55 AM   #2
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Well the ultimate elimination challenge is tomorrow morning, since i had the injectors cleaned it runs WAY better, not like it wasn't fine before, now its just better

We'll see tomorra
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Old 08-14-2003, 11:46 AM   #3
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Well, I give up, I'm fresh outta money and fresh outta patience, or maybe I'm just grumpy this morning, but, alas, same ol problem.

All I can do is chalk it up to age
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Old 08-15-2003, 02:02 AM   #4
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Hrm... Our yukon had a problem where something cracked, and i don't really know what it was cause I didn't know much about them at the time. But it cracked and the car would sorta flood itself i think when it sat for a long time. After about 5x cranking as a new car, it would go. Is your block/intakes good? Check your plugs recently? I know my car has the timing controlled by the computer, but when below 400 RPM (Cranking) it is controlled by the engine itself. Or something along that lines, it'* been a while since i've looked at it.
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Old 08-15-2003, 06:19 PM   #5
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Will do Don, however, the crank sensor has me thinking. Ok, no codes, but....is that possible?
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Old 08-15-2003, 07:55 PM   #6
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Good thing i posted that eh! Good to see you got power again Jimbo!
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Old 08-16-2003, 12:54 AM   #7
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Oh I will be getting on this...its rather embarrasing to have this car struggle like this to get going.

Don we will talk about this futhur...
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Old 08-16-2003, 03:37 AM   #8
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Just let us know what'* going on!
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Old 08-16-2003, 07:09 PM   #9
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My money is on the TPS!
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Old 08-16-2003, 08:10 PM   #10
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Hey guys, thanks for the credit!!!! Now i see why you're mods, you make yourselfs look smart!
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