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O2 sensor question, truck has 2 should have 3? #1223906 04/28/12 11:38 PM 04/28/12 11:38 PM
Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon Dartslantsix OP super stock
Dartslantsix OP super stock Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon	I have a 99 Ram 1500 5.2L that I'm trying to find an o2 sensor for. I crawled underneath and there are 2 sensors. One before the cat and one after. All the parts places say there is supposed to be a right and a left pre-cat. And one post cat. I need to figure out which part number to order. (all my local places sell Bosch and I want the NGK) I measured how long the wires are, and they are about 12" long. If I search NGK's website it says I'm supposed to have 2 pre-cat sensors. But if I type in 1998 model year, it lists 2 sensors each with different length wires and one says 12". Should I just order that sensor? I couldn't see a part number on the OEM sensor. Any help is greatly appreciated! 67 Barracuda build

Re: O2 sensor question, truck has 2 should have 3? [Re: Dartslantsix] #1223907 04/29/12 12:09 AM 04/29/12 12:09 AM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	I have the exact same truck. Only two 02 sensor..one before and one after the CAT. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: O2 sensor question, truck has 2 should have 3? [Re: 70AARcuda] #1223908 04/29/12 04:15 PM 04/29/12 04:15 PM
Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon Dartslantsix OP super stock
Dartslantsix OP super stock Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon	I'm assuming because you didn't mention it, that you haven't replaced the sensor yet? 67 Barracuda build

Re: O2 sensor question, truck has 2 should have 3? [Re: Dartslantsix] #1223909 04/29/12 07:42 PM 04/29/12 07:42 PM
Joined: Aug 2005 Posts: 6,017 Salem Grizzly Moparts Proctologist
Grizzly Moparts Proctologist Joined: Aug 2005 Posts: 6,017 Salem	Yeah, there should only be two on a 1500. Are you sure they didn't look up the wrong truck? The 360 HD's and V10's had dual cats on them and I believe they have three sensors on them. Mo' Farts Moderated by "tbagger".

Re: O2 sensor question, truck has 2 should have 3? [Re: Grizzly] #1223910 04/29/12 08:04 PM 04/29/12 08:04 PM
Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon Dartslantsix OP super stock
Dartslantsix OP super stock Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon	After some further research, I think I'll order a 23506 NGK. It has the wire length needed. The application from the NGK website is for the Left Side. Thanks for the suggestions and/or support. 67 Barracuda build

Re: O2 sensor question, truck has 2 should have 3? [Re: Dartslantsix] #1223911 04/29/12 10:47 PM 04/29/12 10:47 PM
Joined: Aug 2008 Posts: 286 Catskill, NY T teflon enthusiast
teflon enthusiast T Joined: Aug 2008 Posts: 286 Catskill, NY	I would use one from a dealer, I have seen too many problems caused by aftermarket O2 sensors on Dodge vehicles.

Re: O2 sensor question, truck has 2 should have 3? [Re: teflon] #1223912 04/30/12 08:51 PM 04/30/12 08:51 PM
Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon Dartslantsix OP super stock
Dartslantsix OP super stock Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon	I've read that too. That's why I'm not ordering Bosch. NGK is the OEM supplier from what I gather. 67 Barracuda build

Re: O2 sensor question, truck has 2 should have 3? [Re: Dartslantsix] #1223913 05/03/12 09:47 PM 05/03/12 09:47 PM
Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon Dartslantsix OP super stock
Dartslantsix OP super stock Joined: Jan 2003 Posts: 949 Klamath Falls, Oregon	I just installed the NGK 23506. The wires were the right length, the plug was correct, etc. I just took a short drive and it's definitely running smoother. The OEM sensor was also an NGK/NTK just in case you're worried about going "aftermarket". 67 Barracuda build

Re: O2 sensor question, truck has 2 should have 3? [Re: teflon] #1223914 05/04/12 08:57 AM 05/04/12 08:57 AM
Joined: Jun 2003 Posts: 21,487 It's a dry heat gtx6970 Too Many Posts
gtx6970 Too Many Posts Joined: Jun 2003 Posts: 21,487 It's a dry heat	Quote: I would use one from a dealer, I have seen too many problems caused by aftermarket O2 sensors on Dodge vehicles. Agreed, been there done that and if it's avail I will always use OEM parts ESPECIALLY O2 sensors I fought a driveability issue a few years ago on a customers Dakota - only to replace the new customer installed O2 with OEM, problem fixed

Re: O2 sensor question, truck has 2 should have 3? [Re: gtx6970] #1223915 05/04/12 11:57 AM 05/04/12 11:57 AM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	Even working at a Dodge dealer the last 24 years I would pull the sensor and read the part# which is stamped on it. Thats because even the dealer parts guys gave me the wrong one about 50% of the time until I got the # off of it. Ron

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