code 23.... 88 lo3

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Nov 8, 2005 | 07:42 PM

gmgod

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Supreme Member

Joined: Mar 2002

Posts: 1,176

Likes: 0

From: Springfield, MO

Car: 92 T/A VERT

Engine: LB9

Transmission: AUTO

Axle/Gears: 7.5 / 3.42's

code 23.... 88 lo3

What does this mean? I've searched and searched but can't find a chart for tbi's.

Nov 9, 2005 | 12:07 AM

dankhound

Supreme Member

Joined: Jan 2002

Posts: 1,322

Likes: 1

From: Bloomingdale,IL

Car: 91 RS

Engine: 305 Tbi (L03)

Transmission: 700r4

Code 23 is for an open circuit in the intake air temp circuit.

Nov 9, 2005 | 08:44 AM

robertfrank

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iTrader: (27)

Joined: Apr 2004

Posts: 3,001

Likes: 62

From: Salt Lake City, Utah

Car: 1988 camaro "SS"/ 1991 305/T5

Engine: 383 LT1 in progress/LT1TBI 355 soon

Transmission: Probuilt 700R4 3600 stall/ T5

Axle/Gears: Moser axles, 3.42 Eaton Posi

have you taken your air cleaner off and forgotten to plug the sensor on the bottom back up? that is your IAT sensor.

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