LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2004 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Emissions Control System >> Emissions Control >> Description >> Bulb Check
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Bulb Check

Each time the ignition key is turned to the ON position, the malfunction indicator (check engine) lamp on the instrument panel should illuminate for approximately 2 seconds then go out. This is done for a bulb check.