P0171 & P0130 (1 Viewer)

[killrdanasurfer]

2000 land cruiser, 311k miles. A few weeks ago I was getting a p0130 and p300 and p30X.

went through did all new coils, spark plugs, both up o2 sensors on banks 1 and two. New passenger side: exhaust manifold gasket, valve cover gasket, and spark plug tube seals. Haven’t gotten to the driver side gaskets yet. While I was working on it I also didthe timing belt and water pump.

Did a radiator flush last night. Drove to work fine this morning. Go to leave for lunch and now I’m getting a P0130 again and a P0171 (new).

Any ideas?

 

[killrdanasurfer]

I also have the standard exhaust leak at the exhaust manifold on the driver side. Could this be causing it?

 

[JunkCrzr89]

You’ve got more air than fuel (running lean). Possible causes to check:

• Dirty or faulty mass air flow sensor
• Vacuum leaks – PCV hose, vacuum hoses, intake manifold gasket.
• Weak fuel pump
• Clogged or dirty fuel injectors
• Exhaust leak
• Faulty oxygen sensor

 

[killrdanasurfer]

You’ve got more air than fuel (running lean). Possible causes to check:

• Dirty or faulty mass air flow sensor
• Vacuum leaks – PCV hose, vacuum hoses, intake manifold gasket.
• Weak fuel pump
• Clogged or dirty fuel injectors
• Exhaust leak
• Faulty oxygen sensor

Thanks

 

[JunkCrzr89]

Thanks

Were the new coils, plugs, and O2 sensors all Toyota Denso?

 

[killrdanasurfer]

Denso coils and O2 sensors, Bosch plugs..

 

[killrdanasurfer]

Retraced all my vacuum lines, found one I left unplugged on the lower passenger side.. I’ll see if that’s the fix on tomorrow’s drive to work