jeep 2.5 crd have to wait an hour after driving before it restarts

gareth73 · Mar 21, 2012

Hi guys im totally new here so apollagies if im doing things wrong.
I have a Jeep liberty 2.5 crd 03 reg and im in the UK
For a month or two my jeep hasnt been starting after i drive it a while and park up.at first i sprayed easy start into the air filter and it fired up straight away,now this isnt working at all.
I use injector cleaner in my tank every month or so and it starts cold everytime.
i get no warning lights on dash,ive heard it could be crank sensor but dont want to change it unless ive got a better idea if its that.
I can drive for 10 mins to the supermarket,go inside for 15 mins come out and it starts,but if i drive say 20 mins park up and try after 15 mins it wont start until after around an hour.
Please help

Billwill · Mar 21, 2012

gareth73 said:
Hi guys im totally new here so apollagies if im doing things wrong.
I have a Jeep liberty 2.5 crd 03 reg and im in the UK
For a month or two my jeep hasnt been starting after i drive it a while and park up.at first i sprayed easy start into the air filter and it fired up straight away,now this isnt working at all.
I use injector cleaner in my tank every month or so and it starts cold everytime.
i get no warning lights on dash,ive heard it could be crank sensor but dont want to change it unless ive got a better idea if its that.
I can drive for 10 mins to the supermarket,go inside for 15 mins come out and it starts,but if i drive say 20 mins park up and try after 15 mins it wont start until after around an hour.
Please help

Do you have a clean fuel filter and have you primed it to get all air out of the system.
Most problems like this are air-in-fuel related.:freak3:

gareth73 · Mar 21, 2012

air in fuel system

Thanks for youre info Bill,how do i prime it to get any air out?the filter was changed last year but i can change it again to give it a try,no light comes on my dash to tell me the filter has water in it or anything.

Rickshaw · Mar 22, 2012

Gareth, hello from the States. As most CRD owners will attest a filter can be contaminated with just one fill up if the stations tanks were low and drawing up crud/moisture. A year is not a long time necessarily but it depends how many miles you drove in that year and again if you drew some dirty diesel.There should be a prime piston on top of your filter to use as a plunger to re-pressurize the filter.

gareth73 · Mar 22, 2012

still same problem

Hi thanks Rick,i primed it yesterday and it fired up,although that must have been coincidence.I drove for 30 mins today to a garage,filled up,got in and it fired up so drove home.tried to start it 30 mins later,no start.so i tried priming it and tried to start engine,no fire up.i must have tried priming a dozen times and still wouldnt fire up.
Its always after leaving it 1 hour it will start and drive fine

I will keep digging for answers,might replace the crank position sensor see if it helps and replace fuel filter too.

jeep 2.5 crd have to wait an hour after driving before it restarts

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