Mechanics

I HAVE A 4.7 V8 THAT HAS A MISFIRE AND LEAN CODE ON CYL 2 4 6 8

2000 Toyota Tundra • 174,000 miles

Codes are 174 173 172 171
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Wildbill69
December 13, 2011.




Lean fuel condition could be caused by one of the following below: 1. Vacuum leaks

2. EGR and PCV valve.

3. Low fuel pressure.

4. Dirty fuel injectors.

5. Mass Air Flow Sensor.

6. Oxygen Sensor.

Tiny
Rasmataz
Dec 13, 2011.


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