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Old 09-06-2018
bezzat  bezzat is offline
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Default The vehicle does not start ... only after 3 or 4 attempts

Hi
my jeep is Grand Cherokee WG 2.7 crd 2004.
I have a problem starting the car.

One year ago, all 3 fuel lines, including rubber bands, were replaced.

In addition, camshaft position sensor was replaced after error message P0340.
There is currently no error message from computer.
But still the car does not start.
And only after 3/4 attempt is there to start ....
what is the next step?
Thanks

Grand Cherokee WJ 2.7 CRD

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Old 11-06-2018
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What temperatures are you experiencing?
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Old 11-06-2018
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Try pressure testing your lift pump (low pressure) or look at the lift pump to high-pressure pump to see if there are any bubbles. This could be a sign of bad O rings (are your green MB ones) or failing lift pump.
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Old 11-06-2018
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Quote:
Originally Posted by gibrate1 View Post
Try pressure testing your lift pump (low pressure) or look at the lift pump to high-pressure pump to see if there are any bubbles. This could be a sign of bad O rings (are your green MB ones) or failing lift pump.

In general check the fuel lines to see if there are any bubbles as I'd suspect air in the system at this stage.

Have you checked the codes?

Have you (or can you) perform a leaseback test, you could have a bad injector.

Jason
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Old 14-06-2018
bezzat  bezzat is offline
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Default I have Pump On My fuel filter ...

After a few press on my pump , the engine startup immediately
no code error

One year ago, all 3 fuel lines, including rubber bands, were replaced!!

Can there be a problem in the pipeline of a fuel tank to a fuel filter?

thanks
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Old 16-06-2018
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Quote:
Originally Posted by bezzat View Post
After a few press on my pump , the engine startup immediately
no code error

One year ago, all 3 fuel lines, including rubber bands, were replaced!!
If you re-prime the system with the pump this indicates air in the system to me.

When you did the fuel lines did you replace the rubber hoses from the hard line to the fuel filter?

I've seen these look good and hold fuel but leak air which creates this problem. I'd suspect them before anything else at the moment, you may also have a leak in the filter or your pump, what to attache a photo for us?


Quote:
Originally Posted by bezzat View Post
Can there be a problem in the pipeline of a fuel tank to a fuel filter?

thanks
As above, I'd suspect the rubber fuel lines in the engine bay, the tank is less likely, however, never say never.

Jason
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Old 18-06-2018
bezzat  bezzat is offline
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updating.....
The high pressure pump is liquid
I decided to repair....
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Old 19-06-2018
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Quote:
Originally Posted by bezzat View Post
updating.....
The high pressure pump is liquid
I decided to repair....
Is it leaking fuel? If so common problem when they get a little older.
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