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P0134-0135 after Changing Valve,Gaskets

 
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Old 15 Apr 2016, 06:32 pm
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Question P0134-0135 after Changing Valve,Gaskets

Hello from overseas,
My car is 2001 PT Cruiser 2.0L Engine with Auto-Trans. 130K miles.


My cars Timing Belt has broken. Then, all of Valves, Valve Gaskets, Sparks, Timing Belt Set-Tensioners, Head Gasket Set has been replaced. There were no leak or crack at Cylinder Head. MAP SENSOR has been replaced.

After repairing, Car did 2000 miles, oil and coolant levels are ok.

But P 0134-0135 Engine Code appeared and Engine Light comes on.
Sometimes car stalls and does not run normally at full at gas, its like engine will stop. And exhaust smells like Rich smoke..
What maybe the reason of it ? Bad 02 Sensors or bad Timing belt repair?

My car has no CAT about 4 years but there was no error code before Timing Belt Broken. Its appeared after car repaired for Timing belt issue. Thats why I confused. Can it be a chance or related with mechanic's labor?

Thank you for your help!

Last edited by ptptptpt; 15 Apr 2016 at 08:06 pm.
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Old 16 Apr 2016, 05:36 am
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Default Re: P0134-0135 after Changing Valve,Gaskets

First thing I'd do is a fuel pressure check on the car. Should be somewhere in the 55-57lb vicinity. If that's okay, check for a leaky fuel injector or clogged injector. I'm not a mechanic, but I don't believe in coincidence either.
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Old 16 Apr 2016, 06:35 am
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Default Re: P0134-0135 after Changing Valve,Gaskets

Quote:
Originally Posted by ptptptpt View Post
Hello from overseas,
My car is 2001 PT Cruiser 2.0L Engine with Auto-Trans. 130K miles.


My cars Timing Belt has broken. Then, all of Valves, Valve Gaskets, Sparks, Timing Belt Set-Tensioners, Head Gasket Set has been replaced. There were no leak or crack at Cylinder Head. MAP SENSOR has been replaced.

After repairing, Car did 2000 miles, oil and coolant levels are ok.

But P 0134-0135 Engine Code appeared and Engine Light comes on.
Sometimes car stalls and does not run normally at full at gas, its like engine will stop. And exhaust smells like Rich smoke..
What maybe the reason of it ? Bad 02 Sensors or bad Timing belt repair?

My car has no CAT about 4 years but there was no error code before Timing Belt Broken. Its appeared after car repaired for Timing belt issue. Thats why I confused. Can it be a chance or related with mechanic's labor?

Thank you for your help!
Check the coil connection or if you can or swap it for a known good one for testing. Sounds like the coil (Spark) may be breaking down under load (heat).
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Old 16 Apr 2016, 09:36 am
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Default Re: P0134-0135 after Changing Valve,Gaskets

My car is 2001 PT Cruiser 2.0L Engine with Auto-Trans. 130K miles.

P0134 - O2 remains at center conditions:

Possible Causes:

1. Exhaust leak present in exhaust manifold or exhaust pipes
2. O2 element is fuel contaminated or has deteriorated
3. O2 signal circuit or ground circuit has high resistance
4. PCM has failed

P0135 - O2 Heater circuit conditions:

Possible Causes:

1. ASD relay output (power) circuit to the heater is open
2. O2 heater ground circuit is open
3. O2 heater element is damaged or has high resistance
4. PCM has failed

Keep in mind most of us don't work on 2.0L engines.

I would suggest first checking the resistance on the wires going to the 02 sensors.
IF that is okay I would suggest checking the 02 sensors.
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Last edited by ptcruisersteve; 16 Apr 2016 at 09:41 am.
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