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Exuast smell like gas codes P1194, P1192, P1191

Tiny
DILLONJ177
  • MEMBER
  • 1995 JAGUAR XJ6
  • 216,000 MILES
My jags exuast smell strong with gas like its running rich and the gas mileage is horrible I scanned it and I got the 3 codes p1194, p1192, p1191 I know its a o2 sensor but witch one pre or post cat?


Thanks in advace
Tuesday, May 1st, 2012 AT 2:58 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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.
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Tuesday, May 1st, 2012 AT 3:56 AM

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