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Forum:Technical Questions & Answers
Topic:Still hard to start after new fuel pump
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T O P I C     R E V I E W
fvee25I just installed the new fuel pump from Jefferson Auto.Took it for a ride and stopped for about 30 min.Got back in and would not start. Turned key on and waited then tried to start it.Took a couple of tries then started.What else could it be. Pretty confused
WIDOWHang in there Fvee25. Did you replace your fuel pump relay as well?

quote:
Originally posted by fvee25:
I just installed the new fuel pump from Jefferson Auto.Took it for a ride and stopped for about 30 min.Got back in and would not start. Turned key on and waited then tried to start it.Took a couple of tries then started.What else could it be. Pretty confused

WIDOWI forgot to mention I had a similar issue in another Chrysler car years ago. t turns out the PCM was not activating the coils at times. Why not eliminate the fuel pump relay possibility? They cost about $14.00 and can be found at your local automotive parts stores like Napa, Autozone etc. Then see what happens.

quote:
Originally posted by fvee25:
I just installed the new fuel pump from Jefferson Auto.Took it for a ride and stopped for about 30 min.Got back in and would not start. Turned key on and waited then tried to start it.Took a couple of tries then started.What else could it be. Pretty confused

robinVery frustrating to here. I'm sure Jefferson Auto or Tom Mills will give you good direction. Have you called the shop.

Below is a thread . Is the blue seal involved in the fuel pump replacement.
http://www.prowleronline.com/ubb/Forum2/HTML/005361.html

I'm positive this forum will figure this out...Hang in there.

robin

You could start by checking the fuel pump pressure 50 ....60 when running just to make sure you have a good pump. good place to start to rule out the actual new pump.

This message has been edited by robin on 08-25-2017 at 05:40 PM

padrooConfirm you have propper fuel pump pressure then go from there. Did you check fuel pump pressure before you changed the original fuel pump?
fvee25Well seems like it fixed itself.Installed
it with only a 1/4 tank of gas. Filled tank
up and now its working perfectly.
Don't know what happened but I will take it.
Thanks for the help.
CCJ
quote:
Originally posted by fvee25:
Well seems like it fixed itself.Installed
it with only a 1/4 tank of gas. Filled tank
up and now its working perfectly.
Don't know what happened but I will take it.
Thanks for the help.

How are things today with the pump?

Nick00800I have the same issue. When the tank is full it starts right up. Once the tank runs down it does not want to fire up as quick. Has your problem persisted or are you ok now.

ed monahanNick, the 99s were really susceptible to the hard start when the car was warm, due to low fuel PRESSURE. That could be the pump or you can try just turning the key to the ON position and wait about 10 or 15 seconds before you turn it to START. See if that helps.
fvee25Well the wife drove the car Sat. to my race
and started perfect everytime.Like I said it
fixed it self with the new pump.
CJOne of our owners who doesn't post here but reads everything, called me this morning and asked me to give you his phone number.

He had the same issues and he wants to tell you what he did to fix his.

His number is 609.649.3005.

Nick00800Thanks. I will give him a call
Nick00800All,

I spoke with Harry last night. He informed me that he had tried everything and eventually found that it was a small, intermittent, leak in one of the fuel injectors. For less than $100 he was able to replace only the one that was bad and has not had any issues since (knock on wood).

I am going to give this a try when I have a chance and will report back on the results.

padrooThat is why it is so important when you check your fuel pressure that the pump puts out the proper pressure when running and that it holds that pressure for a long time after the car is shut off. Any leak, internal or external will cause the fuel system to loose it's prime and cause a hard starting condition.
bcsnave?

This message has been edited by bcsnave on 04-10-2018 at 10:16 PM

bcsnave?

This message has been edited by bcsnave on 04-10-2018 at 10:16 PM

robin 04591658AA 6 EGG INJECTOR, Fuel

Warning Signs that Fuel Injectors Need to be Replaced
Though maintenance can go a long way towards preventing the need for a fuel injector replacement, there are signs that indicate a dying fuel injector. Having the fuel in a vehicle effectively get from point A to point B is crucial. Without functioning fuel injectors, the car will no longer run. Consumers should be aware of the issues that serve as warning signs of a failing fuel injection system. When these tell-tale symptoms become apparent, it is best to get the car to a reputable mechanic immediately, before ending up stranded on the side of the road.
Some of the most common signs of a clogged or damaged fuel injector include:
Stalling at red lights or while driving
Increase in RPM without adequate acceleration
Hesitation during acceleration
Difficulty starting

http://www.injectorplanet.com/collections/chrysler-dodge-jeep/products/siemens-fuel-injector-for-00-04-dodge-3-5-part-04591658aa

This message has been edited by robin on 10-13-2017 at 01:16 PM

robinBump for You.

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