Question about 2000 Volkswagen Beetle
Diagnostic code states PO134 and PO135
P0134 means that no activitiy (function) is detected in the sensor. P0135 is an 02 sensor heater malfunction. Basically, it sounds as if your O2 sensor is dead and needs replacement. Being that you state it's the 1,1 sensor, you're talking about the primary, or pre-catalyst, oxygen sensor. This is the one closest to the engine, before the catalytic converter.
Posted on Jul 27, 2008
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Posted on Jan 02, 2017
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Mar 03, 2015 | 1997 Honda Accord
Feb 03, 2015 | 2000 Honda Accord
HO2S-11 (Bank 1 Sensor 1) Insufficient Activity
HO2S heater is damaged or has failedHO2S signal or ground circuit has a high resistance conditionHO2S signal circuit is open or shorted to system power (B+)HO2S has failed (i.e., it is silicon, water or fuel contaminated)PCM has failed.Sounds like you need a new oxygen sensor,Bank 1 Sensor 1 is located on the exhaust manifold, closest to the front.Here's a link to the firing order,bank one is cylinder one side.Here's the part you need,here's how to replace.
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