Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999MONTE CARLO LS, 3.8 KREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - TESTS W/CODES - DTC P0205-P0351DTC P0340DTC P0340: IGNITION CONTROL (IC) MODULE CAM REFERENCE CIRCUIT-NO FREQUENCY (4.0L "G" BODY & 4.6L "E" & "K" BODIES)CIRCUIT DESCRIPTION
1999 Chevrolet Monte Carlo LS, 3.8 K
Circuit Description
1999 Chevrolet Monte Carlo LS, 3.8 KSECTION Circuit Description
This test checks for camshaft pulses not received when 4X reference pulses are being received. This indicates that a camshaft sensor circuit failure and DTC will set. Conditions for setting DTC:
- DTC P0322 not set.
- 4X reference pulses being received.
- Engine speed 1600 RPM or less.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.