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#1845016 - 04/04/10 06:23 PM Code P0135 Dodge 1500 Ram?
demarpaint Offline


Registered: 07/03/05
Posts: 21338
Loc: NY
Helping friend with a Dodge Ram 1500 1998 5.2L.

We replaced the rear 02 sensor because a wire burnt and went to ground. We cleared codes, truck ran fine for 2 days CEL came on again, with code p0135.

Book says 02 Sensor heater circuit malfunction cyl bank #1 Sensor #1.

Is this the 02 Sensor closest to the engine? We already changed the 02 Sensor furthest from the engine.

Exhaust smells like the engine is running rich.

TIA
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#1845019 - 04/04/10 06:26 PM Re: Code P0135 Dodge 1500 Ram? [Re: demarpaint]
Nick R Offline


Registered: 07/14/09
Posts: 10588
Loc: NEO
I'm not an expert, but a bad manifold O2 sensor I belive causes the ECM to get confused, so perhaps.
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#1845021 - 04/04/10 06:26 PM Re: Code P0135 Dodge 1500 Ram? [Re: demarpaint]
Bill in Utah Offline



Registered: 11/11/02
Posts: 12786
Loc: UT
"cyl bank #1 Sensor #1"

I think it is the one BEFORE the cat.

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#1845035 - 04/04/10 06:38 PM Re: Code P0135 Dodge 1500 Ram? [Re: Bill in Utah]
beast3300 Offline


Registered: 12/24/09
Posts: 3013
Loc: Ohio
Bank 1 is the side of the engine with cylinder 1. Sensor 1 is before the cat.
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#1845125 - 04/04/10 07:37 PM Re: Code P0135 Dodge 1500 Ram? [Re: beast3300]
punisher Offline


Registered: 09/11/04
Posts: 1935
Loc: snowblind in TX
Since you mention previous wire damage, ck the fuse(s) that supply the heater circuits.

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#1845151 - 04/04/10 07:51 PM Re: Code P0135 Dodge 1500 Ram? [Re: punisher]
demarpaint Offline


Registered: 07/03/05
Posts: 21338
Loc: NY
Thanks for the replies.
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