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Dodge Dakota Engine and Underhood Questions

371 messages,  Last post on Nov 06, 2009 at 6:41 PM

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#261 of 371 1994 v6 Dakota intermintant miss by davidb3265 Apr 05, 2008 (4:09 pm)
Miss lasts for only a brief time.Usually occurs on light acceleration but at any speed. Have replaced spark plugs and wires,checked distributor bushing,tried a new EGR.The miss just goes away and will come back after a period of time from one hour to several days,the warmer the day the more likely it is to occur.I installed a new K&N air filter a while ago but can't see this causing the problem.Hope someone has a suggestion!
#262 of 371 Engine Failure on 2001 4.7 by fourdogs65 Apr 14, 2008 (9:04 pm)
Hi, I have a great 2001 extended cab with the 4.7 V8 which I love. The only problem is the engine crapped out with 170,000 on it. It has a gray sludge in the valve train due to metal in the oil. did not take it apart further to find out the exact failure. My mechanic is an old friend that I trust, and he said that the 4.7 engine is overly prone to failure and he would not waist his time with a rebuild or a used engine. He says to cut our losses and sell it for parts and start over with a vehicle with a better drive train. But we love the dakota so we are torn. Please any advice would be apreciated. Thank you, Todd Replies to this message: jebsdaddy (Apr 17, 2008 6:09 pm) dustyk (Apr 19, 2008 7:04 am) bpeebles (Apr 20, 2008 6:12 pm) jyro (Jun 03, 2008 2:19 pm)
#264 of 371 Re: Engine Failure on 2001 4.7 [fourdogs65] by jebsdaddy Apr 17, 2008 (6:09 pm)
Replying to: fourdogs65 (Apr 14, 2008 9:04 pm) I have a 2001 dodge dakota with the 4.7 with 204,000 miles and counting. I change the oil every 5000 miles with no oil added between changes. I would rebuild the engine if you choose since it has been proven because 170,000 is not too shabby. I usually take "sage" advice from others like your mechanic friend with a grain of salt.   Robert
#265 of 371 Re: Engine Failure on 2001 4.7 [fourdogs65] by dustyk Apr 19, 2008 (7:04 am)
Replying to: fourdogs65 (Apr 14, 2008 9:04 pm) You can tell your "mechanic" that he's full of you know what! I will bet he is a just another Dodge hater. The 4.7 IS NOT prone to failure. Just the opposite, in fact, it is one of the best designed if not the best designed and built American engine on the planet.   The gray sludge, by the way, is likely material from the camshaft chain tensioners wearing badly. What kind of oil have you been using?   Regards, Dusty Replies to this message: bpeebles (Apr 20, 2008 6:12 pm)
#266 of 371 Re: Engine Failure on 2001 4.7 [dustyk] by bpeebles Apr 20, 2008 (6:12 pm)
Replying to: dustyk (Apr 19, 2008 7:04 am) I concour with dustyk!   The 4.7L semi-hemi actually WON AWARDS when it was first introduced. It is overbuilt even for a truck engine. (Nodular iron bedplate usually found on hi-tech racing engines!!)   Everywhere one looks at the 4.7L, there are surprises in the design. From the close factory toleraces to the extra-high piston-ring pressures. The hollow camshafts which deliver oil directly where it is needed. This engine is designed for the long-haul.   Of course, some folks ignore the recommended oil specs which are there for a reason.   BTW: I changed the oil in my 2000 4.7 thisafternoon! (I am still running synthetic oil due to the emulsion issue.)
#267 of 371 Re: 1997 dodge dakota 3.9 v6 2x4 [steve174] by prodiesel Apr 22, 2008 (7:01 pm)
Replying to: steve174 (Mar 25, 2008 2:50 pm) Hi, This is cory. I have a dodge full size truck doing the same thing. Just wondering if you figured out what was wrong with your dakota?
#268 of 371 91 3.9L engine swap out. by bryanaj Apr 29, 2008 (6:08 pm)
just switched out my high mile engine with same yr.1991 engine 3.9L,the motor ran excellent prior to installing, now engine expands oil filter and it leaks around the seal on the oil filter. Is there an oil pump regulator in the engine? HELP!!!!   Replies to this message: bryanaj (Apr 29, 2008 6:10 pm)
#269 of 371 Re: 91 3.9L engine swap out. [bryanaj] by bryanaj Apr 29, 2008 (6:10 pm)
Replying to: bryanaj (Apr 29, 2008 6:08 pm) I haven't figured it out yet, and it's driving me crazy! The engine was running fine when we pulled it out of the old truck. I'd be good to go if I could fix this problem!
#270 of 371 Re: Cold Start High Idle [moquelvog] by syn5 May 12, 2008 (4:37 pm)
Replying to: moquelvog (Mar 31, 2008 3:51 pm) My 99 Dakota does the same thing. My mechanic found that it is the IAC Motor. I decided not to replace as it only acts up on cold mornings and resets itself with a second start.

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