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ellisj Newbie
Joined: 03 May 2017 Posts: 6 Location: Llangollen, North Wales
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Posted: Wed May 03, 2017 22:15 Post subject: '53 trooper 3.0 starting issues |
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Just changed my ORPS due to starting issues and it's improved but not gone away. Didn't have it calibrated on tech 2 (what is this please?) so will that cause the starting problems to linger.
Thinking of changing oil rail pressure valve but having read bits this seems to cause complete starting failure which I don't have. Is this true, is it worth changing it?
Symptoms are : when on flat ground starts if I do the glow plugs twice, otherwise starts then stalls then takes some throttle to start again. When nose down on a hill it starts better. Fuel system checked out ok, new tank 2 years ago
Stumped as is local garage |
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Posted: Wed May 03, 2017 22:15 Post subject: Google Ads keep this community free to join! |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Thu May 04, 2017 19:54 Post subject: |
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sounds like the fuel is draining out of the head which used to be a common problem years ago. get your garage to clamp off the return line after it's last run and see if it starts any better the next morning, if it does you need a one way valve in the return line. |
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ellisj Newbie
Joined: 03 May 2017 Posts: 6 Location: Llangollen, North Wales
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Posted: Mon May 08, 2017 9:37 Post subject: |
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Thank,s I'll get my mechanic to do that and see whether it helps before I delve further into ORPV |
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ellisj Newbie
Joined: 03 May 2017 Posts: 6 Location: Llangollen, North Wales
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Posted: Mon May 08, 2017 10:45 Post subject: |
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Just checked with mechanic and there already is a valve in the return fuel line so that's not the problem. Car starts, stalls then takes a while to start properly. Could it be the oil rail pressure valve? |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Mon May 08, 2017 18:37 Post subject: |
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how long does it take to start again? is the oil level rising? |
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ellisj Newbie
Joined: 03 May 2017 Posts: 6 Location: Llangollen, North Wales
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Posted: Tue May 09, 2017 18:09 Post subject: |
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I'll check it tomorrow and come back to you, thanks for the help |
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ellisj Newbie
Joined: 03 May 2017 Posts: 6 Location: Llangollen, North Wales
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Posted: Wed May 10, 2017 8:19 Post subject: |
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Parked on the flat last night. Trooper started then stalled. Took about 6 seconds to restart. Oil pressure did not register until engine fired then increased to normal steadily.
Does that tell you anything? |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Wed May 10, 2017 18:13 Post subject: |
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don't worry about the oil pressure thats normal, is your garage certain about the return line as thats empty head symptoms so unless the oil level is rising..... or thinking about it have they resealed the fuel tube that goes through the manifold? |
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ellisj Newbie
Joined: 03 May 2017 Posts: 6 Location: Llangollen, North Wales
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Posted: Wed May 10, 2017 21:57 Post subject: |
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I'll quiz the mechanic and get him to check the tube. Many thanks for all your help |
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Jonny555 Newbie
Joined: 10 Jun 2017 Posts: 8 Location: Fermanagh
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Posted: Sat Jun 10, 2017 18:39 Post subject: |
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Hi only new to this but hoping to get some help I have a 03 trooper 3.0 and it only starts some times I have noticed that when u turn on ignition if the check engine light is on it will start and run fine but if light is off it just turns over with no start can any one help |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sat Jun 10, 2017 20:50 Post subject: |
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that sounds like an ecu issue if the check engine light isn't coming on with ignition, check the black wire and it's pin in the small plug at the ecu they have a habit of burning out |
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Jonny555 Newbie
Joined: 10 Jun 2017 Posts: 8 Location: Fermanagh
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Posted: Sat Jun 10, 2017 21:05 Post subject: |
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Hi thanks for replying I'll check it in morning when I turn on ignition should there be power in the black wire its really odd coz when it starts and u switch her off won't start again for a few days |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sun Jun 11, 2017 10:52 Post subject: |
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it's the earth for the ecu just check the pin isn't burnt, you could check for 12v on the two red wires in the same plug |
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Jonny555 Newbie
Joined: 10 Jun 2017 Posts: 8 Location: Fermanagh
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Posted: Sun Jun 11, 2017 13:20 Post subject: Not start |
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Hi checked the black wire and it's not burnt and she still not starting this is day 3 now without starting this time |
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eithan h Moderator
Joined: 11 Dec 2005 Posts: 8195 Location: oxfordish
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Posted: Sun Jun 11, 2017 17:04 Post subject: |
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do you know anyone with another trooper? you could swap the ecu when the light's not on and see if it comes on with the borrowed ecu, it won't start it it's just to see if it is an ecu issue. if it is then you would need an ecu kit you can't just do the ecu on it's own.
i take it you have searched the forum and tried the normal suspects just to eliminate things? |
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