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 Technical Questions & Answers
 Still hard to start after new fuel pump
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| Author | Topic: Still hard to start after new fuel pump |
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fvee25 Prowler Enthusiast From:Egg Harbor Twp.,NJ,USA |
posted 08-25-2017 12:42 PM
    
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 |
WIDOW Prowler Enthusiast From:Claremont, CA, USA |
posted 08-25-2017 02:32 PM
Hang in there Fvee25. Did you replace your fuel pump relay as well?
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WIDOW Prowler Enthusiast From:Claremont, CA, USA |
posted 08-25-2017 02:38 PM
I 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.
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robin      POA Site Supporter Prowler Junkie From:St Thomas Ontario Canada |
posted 08-25-2017 05:36 PM
Very 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. 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 |
padroo      POA Site Supporter Prowler Junkie From:Chesterton, IN, USA |
posted 08-25-2017 05:40 PM
Confirm you have propper fuel pump pressure then go from there. Did you check fuel pump pressure before you changed the original fuel pump? |
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fvee25 Prowler Enthusiast From:Egg Harbor Twp.,NJ,USA |
posted 08-28-2017 06:39 AM
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. |
CCJ POA Site Supporter Prowler Junkie From:Little Rock, AR, USA |
posted 09-08-2017 10:47 PM
quote: How are things today with the pump? |
Nick00800 POA Site Supporter Prowler Junkie From:Ridgefield, WA |
posted 09-15-2017 03:01 PM
I 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 monahan          POA Lifetime Site Supporter Prowler Junkie Personal ScrapBook From:Cincinnati, Oh, USA |
posted 09-15-2017 04:12 PM
Nick, 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. |
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fvee25 Prowler Enthusiast From:Egg Harbor Twp.,NJ,USA |
posted 09-18-2017 07:17 AM
Well the wife drove the car Sat. to my race and started perfect everytime.Like I said it fixed it self with the new pump. |
CJ POA Lifetime Site Supporter Prowler Junkie Personal ScrapBook From:Rochester Hills, MI USA |
posted 09-19-2017 08:33 AM
One 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. |
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Nick00800 POA Site Supporter Prowler Junkie From:Ridgefield, WA |
posted 09-20-2017 04:31 PM
Thanks. I will give him a call |
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Nick00800 POA Site Supporter Prowler Junkie From:Ridgefield, WA |
posted 09-21-2017 01:32 PM
All, 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. |
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padroo POA Site Supporter Prowler Junkie From:Chesterton, IN, USA |
posted 09-21-2017 08:19 PM
That 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. |
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bcsnave POA Site Supporter Prowler Junkie From:somewhere over the rainbow |
posted 10-02-2017 11:00 AM
? This message has been edited by bcsnave on 04-10-2018 at 10:16 PM |
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bcsnave POA Site Supporter Prowler Junkie From:somewhere over the rainbow |
posted 10-12-2017 02:51 PM
? This message has been edited by bcsnave on 04-10-2018 at 10:16 PM |
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robin POA Site Supporter Prowler Junkie From:St Thomas Ontario Canada |
posted 10-13-2017 12:32 PM
04591658AA 6 EGG INJECTOR, Fuel Warning Signs that Fuel Injectors Need to be Replaced This message has been edited by robin on 10-13-2017 at 01:16 PM |
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robin POA Site Supporter Prowler Junkie From:St Thomas Ontario Canada |
posted 10-24-2017 05:16 PM
Bump for You. |
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