September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Poor DRIVEABILITY: Backfire
- Check EGR system.
- Check valve timing.
- Check water temperature sensor circuit. See CODE 22 in TESTS W/CODES
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- Check throttle position sensor circuit. See CODE 41 in TESTS W/CODES
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- Check airflow meter circuit. See CODE 31 and CODE 32 in TESTS W/CODES
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- Check main oxygen sensor circuit. See CODE 25 and CODE 26 in TESTS W/CODES
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- Check intake air temperature sensor circuit. See CODE 24 in TESTS W/CODES
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- Check fuel pump and fuel pressure regulator. See SYSTEM/COMP TESTS
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- Check fuel lines for damage.
- Check fuel injectors. See SYSTEM/COMP TESTS
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- Check ECU. See SYSTEM/COMP TESTS
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