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Top 2GNT Technical Performance/Engine Auto Trans- A604 topic #3721
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Subject: "Car making a crazy backfiring noise when shifting" Previous topic | Next topic
otiosityJun-24-05 09:07 AM
Member since Jun 22nd 2005
3 posts,
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#3721, "Car making a crazy backfiring noise when shifting"


          

Ok guys, i've been reading and it seems that quite a few people have the same problem with their cars. Whenever my car shifts from 1-2 or 2-3, it makes this backfiring sound... Almost sounds like a fart or something. I have a CAI, pacesetter header, and just a weld on muffler. I was just wondering if anyone knew what caused this?

  

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Keith2172Jun-26-05 11:50 AM
Member since Jan 16th 2004
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#3722, "RE: Car making a crazy backfiring noise when shifting"
In response to Reply # 0


          

Is it only at WOT or all points in the throttle range? If it's only at wide-open than thats because of the computer, the ECU bogs down between shifts at WOT to kill the power and make it easier on the tranny. There are two ways to fix this, #1-cut the orange w/balck stripe wire coming out of the ECU, but it won't downshift again, or #2-buy one of Infinit3's TCU piggyback modules as it should correct this as well as a whole lot more.

After thought; what year is your car, I don't remember if the wire cut trick works on the '95-'96 models. Check around the board for the 'Torque Reduction Mod'.

Representing the Central Cali chapter of 2GNT!
(I think I'm the only member emoji )

  

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otiosityJun-29-05 01:05 PM
Member since Jun 22nd 2005
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#3723, "RE: Car making a crazy backfiring noise when shifting"
In response to Reply # 1


          

yeah i was wanting one of those piggyback modules but i didnt think they were ready for the 95-96 models. I'ts just at or above about 5800 rpms, at almost full throttle and at full throttle. i dont really want to go cutting wires on my car, so i'll probably wait for that piggyback module to be available for my car. Thanks a lot for the help man. -Ryan

  

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InFiNiT3Jul-03-05 11:44 PM
Member since Sep 01st 2002
732 posts,
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#3730, "RE: Car making a crazy backfiring noise when shifting"
In response to Reply # 2


          

ya that damn tq reduction tech..... its such bs.... u know they still do it on the 05/06 cryslers? ie the charger/mag/300c ....even the trucks! dumb fucking engineers... cant wait till i finish my degree!


02:19:18pm DarkOne> They'd have had to brought a whole fucking JUG of KY.
02:19:28pm InFiNiT3> lol no shit
02:19:39pm DarkOne> and a funnel.
02:19:45pm grain> have to get the ky with warming
02:20:00pm InFiNiT3> i feel sorry for the 18 y/o (one was 17 one 18) his name was plaster'd all over the news n news paper
02:20:06pm DarkOne> Yeah, has to be warming.
02:20:06pm BuckNutty> jus spit on it and it'll go in
02:20:17pm InFiNiT3> aye the ky w/ warming any good>
02:20:45pm grain> never tryed it
02:20:50pm grain> i applyed for a sample on thier website
02:20:56pm BuckNutty> evan didn't complain any
02:20:56pm BuckNutty> it felt nice
02:20:57pm InFiNiT3> lol
02:21:01pm grain> i use id glide whne she dries
02:21:06pm grain> good stuff
02:21:45pm InFiNiT3> thnx for the new sig guys
02:21:45pm DarkOne> Are we still talking about fucking dead chicks?

  

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