C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1985 c4

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Old Sep 7, 2015 | 03:04 PM
  #1  
catbatrat01's Avatar
catbatrat01
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Default 1985 c4

85 Starts then dies 2 secs. later
cleaned gas tank
cleaned sending unit
new tune up
new fuel filter 8-15-15
new pick up coil for distributor
new iavc
new throttle body gasket
new the maf sensor
brand new radiator
new thermostat and gasket
new relay for cooling fan

any one have same problem
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Old Sep 7, 2015 | 06:37 PM
  #2  
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From: Clifton Park, NY ............Clearwater, FL ... 85 Original Owner
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Originally Posted by catbatrat01
85 Starts then dies 2 secs. later
cleaned gas tank
cleaned sending unit
new tune up
new fuel filter 8-15-15
new pick up coil for distributor
new iavc
new throttle body gasket
new the maf sensor
brand new radiator
new thermostat and gasket
new relay for cooling fan

any one have same problem
first thing you should have done before spending $$$$ on anything is to determine if you are lacking spark or fuel when it dies
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Old Sep 7, 2015 | 07:15 PM
  #3  
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Originally Posted by Cruisinfanatic
first thing you should have done before spending $$$$ on anything is to determine if you are lacking spark or fuel when it dies
- start with the basics. did you run a basic fuel pressure test? my first guess, and this is A GUESS, but it sounds like a fuel problem - maybe a fuel pump or FPR
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Old Sep 8, 2015 | 08:00 PM
  #4  
catbatrat01's Avatar
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Originally Posted by Joe C
- start with the basics. did you run a basic fuel pressure test? my first guess, and this is A GUESS, but it sounds like a fuel problem - maybe a fuel pump or FPR
fuel pressure test ok. fuel at start up 45psi and when running 40 to 42
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