Question about Pontiac Grand Am

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Where exactly is o2 sensor 1 bank 1 on a 2000 pontiac grand am GT 2.4L engine?? a picture would be terrific

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In the drivers side or the top of the exhaust manifold where it bolts up to the exhaust pipe back by the firewall. Sensor 1 is always before the catalytic converter. Sensor 2 is always after the converter

Posted on Oct 17, 2010

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2000 Pontiac Montana. Error code PO135 O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1


Replace O2 sensor one in cylinder bank one.
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10_8_2012_5_55_36_pm.gif

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Heated oxygen sensor bank 1


should be on exhaust manifold in front of firewall

Feb 22, 2010 | 2000 Pontiac Grand Am GT

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2001 PONTIAC GP 3800, BANK ONE O2 SENSOR


probably not the o2 sensor but some other problem causing that code does it say bank 1 lean or rich?

Jan 24, 2010 | 2001 Pontiac Grand Prix

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Check engine light came on and the OBD II red PO 137 02 circuit low voltage (bank 1 sensor 2)


check o2 sensor rear of cat/ converter for short ,damaged wires or faulty sensor--if exhaust leak repair leak or cat/converter plugging up or restricted

Nov 03, 2009 | 2000 Pontiac Grand Prix

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WHERE IS O2 SENSOR BANK 1 01 GRAND PRIX 3.8 ENGINE


Standing in front of the car looking at the engine bank 1 is the cylinders on the front of the engine. These are cylinders 1-3-5. On the rear is bank 2 cylinders 2-4-6. The O2 sensor is located screwed into the exhaust manifold or the exhaust pipe on the front of the engine.

Oct 09, 2009 | 2001 Pontiac Grand Prix

1 Answer

O2 sensor location 1997 pontiac grand am 2.4 4 cyl auto trans


BANK 1 SENSOR 1 IS THE ONE IN THE EXHAUST MANIFOLD. BANK 2 SENSOR 2 IS BELOW THE CATALYTIC CONVERTER.

P0171 SHOULD GO AWAY WITH A GOOD O2 SENSOR BUT DO CHECK FOR VACUUM LEAKS TO BE SURE. 3.1/3.4L ENGINES HAVE A BAD DESIGN INTAKE MANIFOLD GASKET, THE LEAK OIL, COOLANT, AND AIR.

Jul 13, 2009 | 1997 Pontiac Grand Am

1 Answer

2002 Pontac Grand Prix GTP P0171 code engine stumbling at times


Bank 1 is the frt side exhaust manifold (did they say bank 1 sensor 1?),you can start by replacing that sensor,i would check the intake for leaks ,the gm 6cly. are known for bad intake gaskets,you will see oil coming out form the frt or rear of the intake,also check your atifreeze overflow bottle for bronwish sludge,which means that the oil is mixing with the antifreeze.A leaking intake could cause that lean condition.

Mar 29, 2009 | 1998 Pontiac Grand Prix

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