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You are watching: 2001 dodge ram backfire through intake


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I have a 98 lamb 1500 4x4 with the 360. Simply recently it has actually started do a hissing noise once i action on the gas. The sounds like it is comes from in the dash. As soon as it walk this the engine will certainly bog down and lose slight strength then it will backfire through the intake, resume power and the hiss walk away but will contempt return when i action on the gas again. It is intermittent. Some days it will certainly be fine and also others it will certainly act up extremely bad. The hissing sounds needs to be a vacuum leak correct? I checked all the vacuum present on the engine and also they all seem fine. It actually seems favor it is acquiring worse. Everyone have any clue regarding what the problem may it is in or have had the exact same problem?:help:
Sounds choose a really clogged up catalytic converter to me, however I could be wrong. I am certain others will chime in eventually.
2000 ram 1500 sport 4x4 5.9L (360) in black (it watch bigger)BFG All-Terrain T/A KO 285/70r17 indigenous Michigan 4 x 4Port-matched MP1 entry Manifold indigenous The Fastman17x8 Off-Road version rims (Thanks Tazz411)Gibson swept-side stainless single exhaustSCT practice tuned through HemifeverGibson ceramic coated headersFastman 52mm TBVolant CAI3.92 LSDNext increase help:better brakesFlex-A-Lite efan408 stroker with phase 3 Eddy heads4.56 gears​
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Cat was just replaced a few days ago along through a twin out cat back. It to be doing this prior to i had it replaced. It"s what i believed it was at first. The trouble is the truth i didn"t have any exhaust for around a year, simply dumped appropriate after the cat. :rck: therefore I can never listen the hissing noise the happens when i action on the gas. It to be bogging down then thus the factor i believed it was the cat. But because i had actually the exhaust put on i have the right to hear the hissing noise very prominantly in the cab when it starts to bog down.
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I beleive over there are just 2 vacuum currently that go into the cab 1 for the heater controls and the other is the brake booster. Try plugging every one till it stops. The is most likely the brake booster...Running through a brief exhaust you might have burned a valve...
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SLT 1500 318 Flat Black 2wd Mods: M1 / Comp Cams / 4.10 / 20" third Gen Rims / 4/6 fall / circulation Master 40"s / All brand-new Skins / 2010 sport Crew Cab Black 4x4 5.7 3.92 sport hood 10 speaker Alpine w/navMods: Diablo 91 Canned tune / Billet technology Oil record Can / Vararam input / Magnaflow Muffler / every Interior|Exterior Bulbs LED White / Recon Smoked 3rd Brake light / Recon LED irradiate Bar / Orange Striping / Lockpick / Debaged|Murdered / 2 12" Foxbox / 2 Alpine SWR-12D4 Subs / NVX JAD1200.1 1200w amp / level Black VIP wheels VP2 / black & Orange leather / Orange inner Accents with Gloss black color / Soon: gyeongju Rotors / EBC Yellow ingredient / www.MyDodgeRam.ca
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Yesterday i chose to reset the computer system holding the trip button in and turning the an essential to the top top position, because I"ve never reset it due to the fact that I"ve had actually it. Take it it because that a test spin and also wouldn"t ya recognize the thing ran choose it was brand-new ,noticeable power increase, till 30 seconds right into the expedition it seemed like it got in limp mode. Began to perform the backfire thing exceptionally bad, worse than before, but then evened out and also the lose of power came back. Must be among the sensors sending out a negative signal come the computer system causing that to enter limp mode and also cause the backfiring indigenous air/fuel ratio. Examine engine light does no come on. Yet some sensors could malfunction and no throw a code, right? What sensor(s) would cause these symptoms?
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If a sensor goes over there will always be a code, even if it is the check engine light comes on or not.Start through the EGR valve if you have actually one. They are the best problems...the EGR is connected to the input manifold maybe it is rusted out and no longer sealed and also causes a vacuum leak. The position of the EGR valve it would certainly sound prefer it is comming from the dash.I am not sure if this works for gas engines also but making use of a propane torch perform not light. Relocate it approximately the engine when you listen the vacuum leak and if you acquire close to the leak the engine will idle higher because it will certainly be suck in the propane.

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SLT 1500 318 Flat Black 2wd Mods: M1 / Comp Cams / 4.10 / 20" 3rd Gen Rims / 4/6 drop / flow Master 40"s / All new Skins / 2010 sports Crew Cab Black 4x4 5.7 3.92 sport hood 10 speak Alpine w/navMods: Diablo 91 Canned song / Billet technology Oil record Can / Vararam entry / Magnaflow Muffler / all Interior|Exterior Bulbs LED White / Recon Smoked third Brake light / Recon LED light Bar / Orange Striping / Lockpick / Debaged|Murdered / 2 12" Foxbox / 2 Alpine SWR-12D4 Subs / NVX JAD1200.1 1200w amp / flat Black VIP wheel VP2 / black & Orange leather / Orange interior Accents through Gloss black color / Soon: race Rotors / EBC Yellow stuff / www.MyDodgeRam.ca
well simply an update. I replaced the TPS and also the upstream O2 sensor and have had actually no troubles so far. Exceptional those dumb sensors have the right to fubar the engine the bad.
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