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

Registered: 07/03/05
Posts: 25980
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.

God Bless Our Troops

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

Registered: 07/14/09
Posts: 11021
Loc: Albany, NY
I'm not an expert, but a bad manifold O2 sensor I belive causes the ECM to get confused, so perhaps.
2013 Ford Focus SE 2.0L/76,000miles/Motorcraft Blend 5W-20/FL-400S

#1845021 - 04/04/10 06:26 PM Re: Code P0135 Dodge 1500 Ram? [Re: demarpaint]
Bill in Utah Offline

Registered: 11/11/02
Posts: 12829
Loc: UT
"cyl bank #1 Sensor #1"

I think it is the one BEFORE the cat.

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

Registered: 12/24/09
Posts: 3132
Loc: Ohio
Bank 1 is the side of the engine with cylinder 1. Sensor 1 is before the cat.
'03 Regal GS L67 3.29 GR, 3inch DP: PP 5w30/FU3980

'99 Grand Prix L36: QS Defy 5w30/ProSelect 21040, Filtermag

#1845125 - 04/04/10 07:37 PM Re: Code P0135 Dodge 1500 Ram? [Re: beast3300]
punisher Offline

Registered: 09/11/04
Posts: 2331
Loc: snowblind in TX
Since you mention previous wire damage, ck the fuse(s) that supply the heater circuits.

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

Registered: 07/03/05
Posts: 25980
Loc: NY
Thanks for the replies.
God Bless Our Troops