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Old 02-05-2012, 11:16 AM   #9
ChevyTech
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Join Date: May 2004
Location: Minnesota
Posts: 4,620
Re: 88-98 FAQ's "Is your truck running weird? Check here it could help"

Axle ratio by RPO codes.
http://67-72chevytrucks.com/vboard/s...ight=RPO+codes

http://67-72chevytrucks.com/vboard/s...67&postcount=3

Monitoring open or closed loop status on OBD1 vehicles:
http://67-72chevytrucks.com/vboard/s...4&postcount=13

Heated O2 senor upgrade & heated air intake.
http://67-72chevytrucks.com/vboard/s...3&postcount=12

http://67-72chevytrucks.com/vboard/s...=heated+sensor

Mismatched injector on 1987 4.3L light duty truck engines.
http://67-72chevytrucks.com/vboard/s...87&postcount=4

These two long threads cover most problems that can happen with the TBI fuel system trucks.
4 page thread on TBI diagnosis.
http://67-72chevytrucks.com/vboard/s...d.php?t=348308

3 Page thread that EGR fixed.
http://67-72chevytrucks.com/vboard/s...d.php?t=347247

Stalling - Code 54 – Thread covers Fuel relay & oil switch for fuel pump.
http://67-72chevytrucks.com/vboard/s...d.php?t=495054

No fuel – burnt fusible link – code 54
http://67-72chevytrucks.com/vboard/s...d.php?t=460116

Checking OBD1 computer codes without a scan tool.
http://67-72chevytrucks.com/vboard/s...5&postcount=11

V8 Vortec distributor installation & code 1345
Thanks to bwood
http://67-72chevytrucks.com/vboard/s...ighlight=P1345
__________________
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 scotts62; 11-08-2012 at 10:02 PM.
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