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Old 09-01-2005, 11:54 AM
yogi_123rd yogi_123rd is offline
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Re: 1994 shadow check engine code

Code 37: It means the speeds at which your transmission change gears (upshift/downshift) relative to the engine speed is out of range.
The code is set, but does not set the check engine light.

If you have the 3-speed transmission, there is a cable used by the transmission for detecting engine speed. It connects up to the gas pedal and is seperate from your throttle. A typical problem is that this cable falls off causing the transmission to shift late.

The 4-speed transmission uses a TCM and is controlled electronically.
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