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can't start my 89 305 TPI in the morning wothout carb cleaner in the intake

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Old Jul 5, 2006 | 08:42 AM
  #1  
sundanceiroc's Avatar
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Joined: Jun 2006
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Car: 1989 Z28 IROC Convertible
Engine: 305 TPI
Transmission: 700R4 Auto
Axle/Gears: no idea
can't start my 89 305 TPI in the morning wothout carb cleaner in the intake

the car runs only after I give it some carb cleaner in the intake. This will make it run the rest of the day if I turn it over then turn it off and turn it over again, then it starts. I have replaced the plugs and wires and tried a new Mass Air Flow sensor and haven't gotten rid of the problem.

Can someone help????

This popping the hood every morning is getting old - and yes the engine service light is on. Took it to local rip shop for a code check and they wanted a $1000 to do what I have replaced/checked.
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Old Jul 5, 2006 | 09:02 AM
  #2  
thirdgen88's Avatar
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Joined: Apr 2003
Posts: 1,751
Likes: 4
From: Bonner Springs, KS
Car: 1995 Corvette
Engine: LT1
Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
Try pulling the codes and seeing what it is to begin with...
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Old Jul 6, 2006 | 03:10 PM
  #3  
D's89IROCZ's Avatar
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Joined: Jan 2003
Posts: 1,931
Likes: 1
From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
don't go back there either. Just pull the codes like said and we can start from there. check the how to articles here on how to do it. It's an easy check.
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Old Jul 6, 2006 | 03:55 PM
  #4  
tenpin842's Avatar
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Joined: Jan 2006
Posts: 793
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From: Michigan
Car: 1987 Trans Am
Engine: 5.0L TPI
Transmission: 700R4
Axle/Gears: Richmond 3.73
Might have some bad fuel injectors...or some bad orings. Sounds like your losing your fuel pressure.
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Old Jul 7, 2006 | 01:45 PM
  #5  
D's89IROCZ's Avatar
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Joined: Jan 2003
Posts: 1,931
Likes: 1
From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
Also check what the fuel preasure is , and how long it holds after turning the key off.
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