LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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1990
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Custom Cruiser
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Different car
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Section 4 (Engine Controls - Tests W/Codes)
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ECM Code Charts
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ECM Code E74: Mat Sensor Signal Interrupt
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Action Taken
April 5, 2026:
LEMON Manuals is launched!
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Action Taken
WARNING:
This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
ECM will set Code E74.