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Thread: Mobile mechanic
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11th May 2014, 12:14 PM #1
Mobile mechanic
I don't normally come down this far in the forum so excuse my introducing
I need a recommendation for a mobile mechanic in the glen Waverley area of Melbourne
I have a grand jeep cherokee which I replaced the fuel pump in the fuel tank and washed the tank out while I was there after being told that was the problem from an Racv mechanic.
But now it won't run for more than a few seconds I suspect it either the fuel regulator or the new pump I don't have the equipment to check this and really just need to get it back running and told what I need to replace
I'm not hopeless with cars but this one has me stumped
I was panel beater for 15 years but I'm not the best at diagnosing engine problems
I'm better at being told that's the problem change that or do this
Thanks in advance
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11th May 2014, 04:07 PM #2
UM.... did you replace the in line fuel filter and flush the line?
The person who never made a mistake never made anything
Cheers
Ray
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11th May 2014, 05:10 PM #3
Diesel or petrol?
If diesel, did you prime the pump?
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11th May 2014, 05:14 PM #4
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11th May 2014, 06:06 PM #5
It's petrol
Changed the fuel filter at the same time it's part of the pump unit
Removed the fuel line at the fuel rail and ran petrol thorough first to clean the line then reconnect it back to the fuel rail
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11th May 2014, 08:02 PM #6
Don't know anything about Jeeps, but a lot of FI petrol engines have two pumps, a low pressure in the tank at the pickup point, and a high pressure pump in the fuel line between the filters and the engine.
The low pressure pump provides a constant flow at about 5-7 PSI to the HP pump which connects to the fuel rail and injectors. High pressure pumps output 60-80 PSI to the rail, injectors, and regulator. The regulator controls the pressure at the injectors and bleeds excess fuel back to the tank via the return line. The HP pump is is a tight tolerance unit that can be damaged by being allowed to dry run. If your current situation is similar to what you had before replacing the LP pump and filter, you might have to locate and replace the HP pump.
Bleeding the line via removing the feed hose at the rail and running pumps till you get fuel flow might indicate that you are able to get fuel to the motor, but does not indicate the pressure that it arrives at, i.e. it may be getting pumped through the HP pump rather than being pressurised by it, and not have sufficient pressure to reliably run the motor.
Getting back to the original question, sorry I don't have a reliable mechanic (fixed or mobile) to reccommend, used to have one in FTG but he retired and moved to Drouin a few years ago. If you need to go alone try to get hold of a manual via a library of download.I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.
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11th May 2014, 08:50 PM #7
I've finally got one I trust in North Dandenong.
Little outside Glen Waverley but seems to do a good job for a fair price (I did not say good price, I said fair).
He's opposite the bunnings on gladstone rd and Princess Hwy.
"Endurance auto transmissions" but they do all mechanical stuff as well.
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11th May 2014, 08:53 PM #8
Any one in Penrith area great guy Matt from Scoobtech very good and honest
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12th May 2014, 08:42 PM #9
Thanks malb and others of course
There is only the one pumb
I'm now thinking it may be the regulator which sits on top of the pumb unit which is then all installed in side the tank.
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27th May 2014, 02:13 PM #10
Did you get this sorted?
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31st May 2014, 03:10 PM #11
No not yet been to busy and lazy lol
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