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Code 45

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Old May 10, 2007 | 01:02 PM
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Code 45

89 Formula 350 is throwing a code 45 which is the rich exhaust. Any suggestions on what i should check/replace first.
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Old May 11, 2007 | 07:01 AM
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From: St. Louis, Missouri
Car: 1989 Firebird Formula
Engine: 383 Stealth Ram
Transmission: 700R4
Axle/Gears: 3.73 9 bolt Posi
Re: Code 45

Common Trouble Code Solutions

Code 45 ~ Check evaporative charcoal canister for smell of fuel (which normally comes from filling fuel tank to full). check fuel pressure regulator. Possible leaking fuel injector or sticking/bad EGR valve. Possible bad Oxygen sensor.

http://gmtips.com/3rd-degree/dox/tip...es/code-01.htm

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