Engine runs rough, dealer has no idea why
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From: Omaha NE
Engine runs rough, dealer has no idea why
Ok Any suggestions would be much appriciated.... Here is whats up, when my 1998 Dodge ram 3.9 heats up It starts bogging down, and wants to die... Here is what i have replaced SO FAR... ANY SUGGESTIONS AT AT ALL
Fuel Pump
Catalyc Converter
BOTH o2 sensors
All Plugs, and wires
Ignition Coil
Muffler
Speed Sensor.....
Im about 1600 in and would like any suggestions, the Dealer cant figure out whats wrong and wants another 300 for different o2 sensors because they are not MOPAR, or the PCM... If anyone could chime in here Im getting 3 codes, and all 3 have to do with the O2 sensor malfunction... but not sure here.... Thanks
Fuel Pump
Catalyc Converter
BOTH o2 sensors
All Plugs, and wires
Ignition Coil
Muffler
Speed Sensor.....
Im about 1600 in and would like any suggestions, the Dealer cant figure out whats wrong and wants another 300 for different o2 sensors because they are not MOPAR, or the PCM... If anyone could chime in here Im getting 3 codes, and all 3 have to do with the O2 sensor malfunction... but not sure here.... Thanks
Grand Champion
Joined: Aug 2009
Posts: 5,971
Likes: 45
From: MAINE
02 sensor old make it run rough. try a different brand.
some 02 sensors have a square end, and some round, its possible you may have the wrong 02 sensor in the truck. When i got mine from the dealer, i gave him my info, and he gave me the 02 sensor it called for (1995 year) well it was diffrent than my stock one, so i took the part# and gave it to him, and my 02 sensor was a 1994 model sensor even though its a 95....So try a different 02 sensor.
Since you have a new CAT it may be a different sensor so its not for your year now..do you know what im trying to say?
some 02 sensors have a square end, and some round, its possible you may have the wrong 02 sensor in the truck. When i got mine from the dealer, i gave him my info, and he gave me the 02 sensor it called for (1995 year) well it was diffrent than my stock one, so i took the part# and gave it to him, and my 02 sensor was a 1994 model sensor even though its a 95....So try a different 02 sensor.
Since you have a new CAT it may be a different sensor so its not for your year now..do you know what im trying to say?
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From: Omaha NE
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Grand Champion
Joined: Aug 2009
Posts: 5,971
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From: MAINE
that maybe the problem then. go to the dealership and get a mopar one, im sure that should cure it.
ive heard many stories of some 02 sensors notworkin on some trucks, and ive heard some people have a problem with bosch
ive heard many stories of some 02 sensors notworkin on some trucks, and ive heard some people have a problem with bosch
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Joined: Apr 2009
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From: Los Angeles, CA
I have also read of issues with using Bosch 02 sensors on these trucks. Not sure how much validity it has, but I just ordered a new set of Denso sensors for my truck since that's what they came with from the factory.
