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1970-1995 Range Rover Classic
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88 Posts
Discussion Starter #1
I just got my engine back together after a partial rebuild (rings, bearings, gaskets). I've connected a fuel pressure gauge to the shrader valve on the fuel rail and I have no pressure when I turn the key or try and start it. Where should I start my trouble-shooting?
 

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Registered
1970-1995 Range Rover Classic
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64 Posts
I just got my engine back together after a partial rebuild (rings, bearings, gaskets). I've connected a fuel pressure gauge to the shrader valve on the fuel rail and I have no pressure when I turn the key or try and start it. Where should I start my trouble-shooting?
I had the same issue and started at the fuel pump... mine died during the rebuild.
 

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1970-1995 Range Rover Classic
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88 Posts
Discussion Starter #4
Did you pull the fuel pump relay to depressurize & forgot to reinstall maybe?
No, but I do need to check the relay, but i'm finding conflicting info as to where it is located. Can you point me in the right direction?
 

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1970-1995 Range Rover Classic
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88 Posts
Discussion Starter #5
It is looking like the fuel pump is dead. I'm going to also check the relay.
 

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Registered
1970-1995 Range Rover Classic
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64 Posts
Put power straight to the pump; you'll know for sure whether the pump is good/bad and can then concentrate what may be wrong with the electronics.
 

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Registered
1970-1995 Range Rover Classic
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88 Posts
Discussion Starter #7
Put power straight to the pump; you'll know for sure whether the pump is good/bad and can then concentrate what may be wrong with the electronics.
I have 6v to the pump, is that normal?. Due to running out of time, I did not pull the pump out to test it separately, but the fact that I have power and couldn't hear it run and there was no pressure at the fuel rail, it would seem to be a bad pump.
 

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1970-1995 Range Rover Classic
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88 Posts
Discussion Starter #8
Replaced the pump and it fired right up! Thanks for the tips.
 
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