D
Dave Helland
1984 GL 1800 Wagon, US 49 state emissions controls.
ECM dashlight goes on after approximately 5 miles of highway speeds, no
flashing code at module below steering wheel.
No apparent difference in drivability.
Anybody care to hazard a guess?
PCV? Oxygen Sensor? EGR? Bad connection somewhere?
ECM dashlight goes on after approximately 5 miles of highway speeds, no
flashing code at module below steering wheel.
No apparent difference in drivability.
Anybody care to hazard a guess?
PCV? Oxygen Sensor? EGR? Bad connection somewhere?