IDLE IS NOT STEADY

1988 Ford Crown Victoria

Tiny

arsineo

December, 3, 2011 AT 12:56 PM

Why is black smoke coming from my tail pipe in my 1988 ford crown victoria ltd that smells like gas and its running high and rough Making a hissing noise at the block it shakes keeps going from low to high idle and seems to struggle to pick up speed after first gear

FOUND 1294 RELATED QUESTIONS

Dies On Idle

22 ANSWERS
8 IMAGES

1 Answer

Tiny

rasmataz

December, 3, 2011 AT 3:45 PM

Probable causes of an engine running rich are as follows: 1. Excessive fuel pressure can be cause by restricted fuel return line

2. Defective Oxygen Sensors.

3. Leaking injectors and fuel pressure regulator.

4. Coolant temperature sensor out of calibration.

5. Restricted air intake system.

6. Vacuum leak

Please login or register to post a reply.

Crank Angle Sensor Replacement Mercedes Benz
Crankshaft Position Sensor Replace Chevrolet
Fuel Pump Replacement Done Right