LEMON Manuals
: Even more car manuals for everyone
Home
>>
Plymouth
>>
1990
>>
Horizon Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Tests W/Codes - 2.2L
>>
DRIVEABILITY Tests (Non-Turbo)
>>
Dr-7: Code 21 "O2 Sensor Signal" (Non-Turbo)
Dr-7: Code 21 "O2 Sensor Signal" (Non-Turbo)
Fig 1: DR-7: Circuit Diagram & Flow Chart