engine backfires, and eratic idle.

Printable Version

Dodge Forums >> Dodge SUVs >> Dodge Durango >> 1st Gen Durango >> engine backfires, and eratic idle.

Page: [1]

Login Message << Older Topic   Newer Topic >>

engine backfires, and eratic idle. - 4/3/2007 11:50:30 PM    ytchernov   Posts: 3 Joined: 4/3/2007 Status: offline I bought a 2000 dodge durango (96k miles), with blown head gakets. I replaced the head gaskets and also put in other heads (HO High Output). It starts, but idles erratically (inconsistent) kinda has a little vibration. It also backfires sometimes. Also when you press the gas pedal, it does not give enough gas and also gives it late. I checked all my spark plugs and coils work. I also pluged in a OBD II Tool and it said     No faults detected. Help please Post #: 1

RE: engine backfires, and eratic idle. - 4/4/2007 4:33:27 PM    Mean Green Posts: 3189 Joined: 6/22/2006 From: Reno, NV Status: offline Check your fuel preesure and a tune up sounds in order. _____________________________ 2000 Durango 5.9L SLT+ Flowmaster 40 "Custom" Ram Air 31" BFG AT T/A KO's Bilstein Shocks Hidden Hitch Sirius Satelite Radio E-fan conversion Smittybilt brushguard SSU's (in reply to ytchernov) Post #: 2

RE: engine backfires, and eratic idle. - 4/4/2007 10:47:33 PM    n8ech   Posts: 529 Joined: 11/21/2006 Status: offline What engine are you working with? The 5.9 or 4.7? Since you said coils, I assume the 4.7 as the 5.9 only has one. If by chance it is the 5.9, sounds like you might have one or more plug wires in the wrong order either on the dist cap or engine. If it is the 4.7, then you had to remove and re install the timing chain and possibly it is not in the correct position. Provide more info and we can give more suggestions.                                              Don _____________________________ 2001 Dark Garnet Pearl Durango SLT+ 4.7L AWD w/ 3.55 gears (mine) 2005 Linen Gold Pearl DGC 3.8L (hers) (in reply to Mean Green) Post #: 3

RE: engine backfires, and eratic idle. - 4/5/2007 6:47:32 PM    ytchernov   Posts: 3 Joined: 4/3/2007 Status: offline The engine is a 4.7 V8. I just checked the timing and its perfect. I when i changed my heads The other ones that i put it said HO (High Output). My originals did not say that, but are the same. I put in my original cams too. The HO heads had a little diffrent springs, that i used and the haudraulic lifter that used too. What is the diffrence between HO and the orignal heads?   could this be my problem? Thanks (in reply to n8ech) Post #: 4

RE: engine backfires, and eratic idle. - 4/5/2007 10:05:21 PM    n8ech   Posts: 529 Joined: 11/21/2006 Status: offline ytchernov: Sounds like you ended up with a pair of the HO heads from a Grand Cherokee. Do you have a vacuum guage to put on it to see if you might have a leak? If the timing chain is ok, then that rules that out. Have you run compression test to make sure the new heads/valves are ok?? As long as the heads are ok physically, I do not think they would be the cause of the issue unless again there is a vacuum leak due to a different gasket requirement or such.                                                                            Don _____________________________ 2001 Dark Garnet Pearl Durango SLT+ 4.7L AWD w/ 3.55 gears (mine) 2005 Linen Gold Pearl DGC 3.8L (hers) (in reply to ytchernov) Post #: 5

RE: engine backfires, and eratic idle. - 4/7/2007 12:44:44 AM    ytchernov   Posts: 3 Joined: 4/3/2007 Status: offline So these HO heads DO NOT require any other HO parts like Cam shafts? (in reply to n8ech) Post #: 6

Today's Posts
Most Active Topics
Make A Donation
Forum Rules & FAQ
RSS Feeds
SRT Forums
Race News

Dodge Prices

Dodge Trucks & SUVs
Ram Dakota
Durango Nitro

Dodge Cars
Avenger Intrepid
Caliber Magnum
Challenger Neon
Charger Stealth
Daytona Stratus
Dodge Viper

Featured Sponsors

Poll
Now that you've seen the 2008 Dodge Challenger SRT-8, what do you think?
	I Love It, Its Perfect
	I love the looks, but hate the transmission
	I like it, but I want the concept interior
	I like it, but I want the exact concept exterior
	Its ok, but the concept was far better
	Thanks, but I look forward to some changes on the 2009 models.
Poll Results Previous Polls

Top 10 Posters
dustyloins 21125 badstratrt 20815 midnight 17828 vipergts 14491 dodgegirl19 13072 ramfan5.9 12449 steve05ram36 11401 nickoman01 10864 drew 10116 casper 9606

New Vendors
Truxedo
Airaid
Mopar Biz
ATI ProCharger
Motor City Auto Parts
Sonic Electronix
Buy Auto Truck Accessories
Buy Car Floor Mats
Edge Products
AMSOIL - Performance Oil Technology