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

Check engine light(my worst enemy)

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Old Jun 30, 2004 | 06:11 AM
  #1  
ShadowVette's Avatar
ShadowVette
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From: Soulsbyville CA
Default Check engine light(my worst enemy)

My check engine light on my 84 came on today. The first time i saw it come, it came on for about 10 seconds then shut off????????. I got back home and,then i had to leave again, it came on agian this time it stayed on. could this be electrical or mechanical, like mabey a blown head gasket. god please noooo. any advice would be appreciated. Thanx
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Old Jun 30, 2004 | 06:29 AM
  #2  
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hngacurv
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From: Kentucky
Default Re: Check engine light(my worst enemy) (ShadowVette)

Check engine light means a sensor is reading something out of parameters. You need to find out what code your ECM set.
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Old Jun 30, 2004 | 06:41 AM
  #3  
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ShadowVette
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From: Soulsbyville CA
Default Re: Check engine light(my worst enemy) (hngacurv)

its been dieing lately can that be fuel related. ive heard that 84s had a bad history of starvation. and how do i check the codes on it. im 18 so i dont know as much as you guys do about cars.
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Old Jun 30, 2004 | 08:11 AM
  #4  
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Steel Blue 91
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Default Re: Check engine light(my worst enemy) (ShadowVette)

You need to fund out what code was set. Go here:

http://www.c4vettes.com/codes.htm

to find out how to check the codes then post back with what you find.
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Old Jun 30, 2004 | 11:12 AM
  #5  
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Default Re: Check engine light(my worst enemy) (ShadowVette)

Once you check the codes and find out what they mean, you will need a DVOM in order to check the appropriate sensors. Just remember that code from a given sensor doesn't necessarilly mean the sensor is bad. You really a service manual to help trouble shoot the causes of various codes, AND drivability issues. Go here: http://www.helminc.com

RACE ON!!!
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