not 3rd gen but still chevy
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Joined: Feb 2002
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From: N. California
not 3rd gen but still chevy
My 88 Suburban 350 TBI keep throwing me a code 42 intermitantly. Now are the code numbers the same as my 88 IROC? If they are then this is an EST error. How would I go about fixing this? Is it the ignition module or coil. When it throws this code all my power vanishes with it. Any help would be great guys.
Supreme Member
Joined: Apr 2000
Posts: 3,187
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From: E.B.F. TN
Car: Tree Huggers
Engine: Do Not
Transmission: Appreciate Me.
The codes are indeed the same. As for the why, well until you dig into it, the reasons can vary. Do a search using EST Code and you'll get a ton of posts. Read some for some ideas as to where to begin.
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