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Old 02-09-2011, 07:08 PM   #7
ChevyTech
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Join Date: May 2004
Location: Minnesota
Posts: 4,620
Re: 88-98 FAQ's

1991 & later TBI V8 Oil pressure sending unit location, engine wiring & sensors illustration:
Also shows ground on back of passenger cylinder head.
http://autorepair.about.com/library/...bl283a-lib.htm

TBI V8 Knock sensor location photo
from “PCMCOBRA”, from one of the truck boards.
http://i114.photobucket.com/albums/n...010Small-1.jpg

Dash Brake indicator on or blinking = RWAL problems
Here are two of the better threads
http://67-72chevytrucks.com/vboard/s...d.php?t=302690
http://67-72chevytrucks.com/vboard/s...d.php?t=399153

TBI parts & sensor photos
EGR (Exhaust Gas Recirculation) valve
EGR solenoid
IAC (Idle Air Control)
MAP (Manifold Absolute Pressure) sensor
TPS (Throttle Position Sensor)
All labeled in photo of 1993 Silverado:
http://67-72chevytrucks.com/vboard/a...1&d=1278787232
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For those of you that are wondering why you are not getting replies to your thread:
Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.

Last edited by ChevyTech; 02-11-2011 at 02:34 PM. Reason: Add more
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