Birty Dastards Jeep Club

Tech Forum => Workshop => Topic started by: Stempel on November 20, 2010, 07:28:05 PM

Title: 4.7 V8 -hard to start the engine
Post by: Stempel on November 20, 2010, 07:28:05 PM

Hello All

My trouble appeared just few days ago.I'm trying to start the engine and it's very hard .I need to pump on accelerate for good 10 sec before it starts and when started it smokes from exhaust for another few secs and petrol smells around.It only happens on cold engine.

I doesn't happens always because other times it starts normally.Any ideas what's the problem??

Title: Re: 4.7 V8 -hard to start the engine
Post by: Mike Pavelin on November 20, 2010, 07:40:22 PM

Tomorrow morning switch the ignition on, wait 2 seconds, switch on again, then crank. If it fires up straight away, it's a seal failed inside the fuel pump allowing rail pressure to leak back to the tank.

Title: Re: 4.7 V8 -hard to start the engine
Post by: Stempel on November 21, 2010, 12:02:13 PM

Exactly as you said.
It started up straight away without any smoke and when I started it ,info"done"appeared on the computer.
Any chance to change this seal on my own??

Title: Re: 4.7 V8 -hard to start the engine
Post by: Bubba on November 21, 2010, 01:34:33 PM

is there a reason this will be a big problem sounds worth waiting a few seconds unless the repair is so easy even bulldog could do it

Title: Re: 4.7 V8 -hard to start the engine
Post by: Bulldog67 on November 21, 2010, 02:09:49 PM

it would have to be a clean repair if i was attemptin it

Title: Re: 4.7 V8 -hard to start the engine
Post by: Panic mechanic! on November 21, 2010, 04:52:41 PM

puff.

Title: Re: 4.7 V8 -hard to start the engine
Post by: Mike Pavelin on November 21, 2010, 05:45:29 PM

There is a repair kit available from Chrysler. The fuel tank has to come out though.