1986 Porsche 944 "fuel pump relay" Questions

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fuel pump turned on when you put the key on? If it is not, need to check the fuel pump relay. Jump wire at the fuel pump relay to to turn it on to see if Fuel pump is working Need to check if the fuel

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...fuel pump relay first. If it starts replace the relay. Or fix it. Bad diode in it. $50 compared to 50 cents. Done many of them. Most car under the seats Car Diagnostic Tool Under the seat under rear ...

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...fuel pump when the ign key is turned to the on position. Do you hear the fuel pump? If not check the fuel pump fuse and relay over the drivers left leg area. You may have to bypass the relay by ...

...fuel pump you will need to test this for fuel sitting for ten years the fuel pulsation damper are dried out and you will have to run the fuel pump till the dampner unplugs,turn the key the fuel pump ...

Question about Porsche 944

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...fuel tank? if so how far ? to the filter or further? poss causes could be,,, a bad fuel pump / fuel pump relay / fuel filter / engine control module ... do you have spark at a sparkplug / coil lead

Question about Porsche 944

1 Answer

...fuel pump check your fuel pressure  damper and fuel pressure regulator plus you might have to jump the relay to bypass the pump which is a old emergency trick  i learned from clarcks

...fuel pump is working since i bled the lines out but i cant figure this one out, any ideas? its the fuel pump relay, take the petrol in hose off (just over the air inlet manifold) and start it up, if ...

...fuel pump relay...get power to coil but not from coil so car wont start we have changed coil speed sensor (pulse sensor) and fuel pump relay....get power to coil but not from coil....used test light ...

...fuel pump has no power to it. i changed the ignition. still nothing. could it be the factory alarm.please help. run a fused wire from the positive side of your fuel pump to your "on" side of your ...

fuel pump relay but i ca'nt find it. my manual state's there's an alternate fuse box under the dash,but i do'nt have one. that's where the relay is suppose to be. is there maybe a relay that serve's 2

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