Fuel and Emissions Systems

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General Troubleshooting Information

Intermittent Failures The term Intermittent failure means a system may have had a failure, but it checks OK now. If the malfunction indicator lamp (MIL) on the dash does not come on, check for poo ...

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Fuel Pulsation Damper Replacement
PZEV model 1. Relieve the fuel pressure (see page 11-306). 2. Remove the engine cover. 3. Place a wrench (A) on the fuel rail (B). 4. Place a wrench (C) on the fuel pulsation damper (D), an ...

CMP Sensor B Replacement
1. Disconnect the connector (A) and hoses (B) from the EVAP canister purge valve (C), then remove the EVAP canister purge valve assembly. 2. Disconnect the CMP sensor B connector (A). 3. Remov ...

Fuel Information
• Fuel recommendation Use of a lower octane gasoline can cause a persistent, heavy metallic knocking noise that can lead to engine damage. • Top tier detergent gasoline Because the level ...