I have a code 174 and ta spark knock at hjgh RPM's. What are some things I should check?
Mar 31, 2010 at 7:58 PM
1997 Lincoln Town Car code 174
1997 LINCOLN TOWN CAR
MIKE NILES
- MEMBER
- 1 POST
- FOLLOW
Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
Advertisement
DTC P0174 : Fuel Deliver System : Air/Fuel ratio is correcting rich for an overly lean condition
Possible causes are:
EGR system faulty
air intake or vacuum system leak
engine oil leveltoo high
excessive internal engine wear
fuel system malfunction
first to test would be the oxygen sensor(s), they are the easiest and cheapest to replace if needed.
Possible causes are:
EGR system faulty
air intake or vacuum system leak
engine oil leveltoo high
excessive internal engine wear
fuel system malfunction
first to test would be the oxygen sensor(s), they are the easiest and cheapest to replace if needed.
Mar 31, 2010 at 8:14 PM
Advertisement