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Topic: Fuel injection relay (Read 1489 times) |
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pipino
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Fuel injection relay
« on: Dec 25th, 2017, 7:24am » |
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I tried taking fuel from my 2.3 ford Scorpio by manually pressing the relay R17 and after I did that and return the fuel supply hose to the engine I tries starting my car but the engine wont run until I manually press the relay R17 before the engine will run and if I release my hand from the relay engine will stop running Please I hope I have not caused any damage to the electrical system and any body with idea of what's happening to pls advice
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
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Re: Fuel injection relay
« Reply #1 on: Dec 25th, 2017, 8:20am » |
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Can you explain what you mean by 'manually pressing the relay R17' ?
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pipino
Junior Member
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Re: Fuel injection relay
« Reply #2 on: Dec 26th, 2017, 9:00am » |
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What I meant by manually pressing is while the relay is socket in the relay compartment and I open the relay cover so that I have access to the relay terminal and I know use my hand manually to press the terminal to make contact for the fuel to inject out while ignition switch is in off position sir
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Simmo
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Re: Fuel injection relay
« Reply #3 on: Dec 26th, 2017, 9:30am » |
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It sounds as though you have damp or corrosion on the contacts. Have you removed the relay and sprayed the contacts with switch cleaner? The main thing is to ensure that the fuse-box cover is fitted correctly and that there is no water trapped in the tray area. Are the drain holes in the bulkhead in front of the battery clear? You could try using a hairdryer to GENTLY warm the fuse-box to try and disperse any dampness which may have got in there. Is the battery cover fitted?? :
This may help
The cables from the fuse box run through a large rubber grommet in the bulkhead. IF that is not fitted correctly and water builds up under the fuse box it will run in to the car and will wet the carpet on the passenger foot well. Have you seen any sign of dampness there?
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PJDavis
Senior Member
2 x 1995 Jag X300 3.2 / 4.0 (Henley) 1957 XK140
Posts: 1474
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Re: Fuel injection relay
« Reply #4 on: Dec 26th, 2017, 4:11pm » |
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on Dec 26th, 2017, 9:30am, Simmo wrote:It sounds as though you have damp or corrosion on the contacts. Have you removed the relay and sprayed the contacts with switch cleaner? The main thing is to ensure that the fuse-box cover is fitted correctly and that there is no water trapped in the tray area. Are the drain holes in the bulkhead in front of the battery clear? You could try using a hairdryer to GENTLY warm the fuse-box to try and disperse any dampness which may have got in there. Is the battery cover fitted?? :
This may help
The cables from the fuse box run through a large rubber grommet in the bulkhead. IF that is not fitted correctly and water builds up under the fuse box it will run in to the car and will wet the carpet on the passenger foot well. Have you seen any sign of dampness there? |
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1995 Jaguar XJ6 X300 3.2 (Henley)
1995 Jaguar XJ6 X330 4.0 (Dopey)
1957 Jaguar XK140 USA (converted to RHD, and to have fitted Mk10 420G Engine with BW 65 Auto Trans)
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pipino
Junior Member
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Posts: 84
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Re: Fuel injection relay
« Reply #5 on: Dec 26th, 2017, 5:35pm » |
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Biggest thanks Mr simmo  the relay really malfunction and a replacement solves the problem and my car engine runs fine now sir
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Simmo
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Re: Fuel injection relay
« Reply #6 on: Dec 26th, 2017, 6:18pm » |
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Good to hear that Pipino. Glad you are sorted.
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pipino
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Re: Fuel injection relay
« Reply #7 on: Nov 29th, 2019, 3:13pm » |
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Recently my car refused to start I check the fuse and relay relating to fuel but not blown out, I was stranded on a trip so tried this, i ask some one to start the engine and i open the relay to check for the terminal clicking, when u put on the ignation nothing happen and when u crack the the relay will not click, but when u crack the angle and I manually press the relay terminal the car will start and it will stop running immediately I take off my hand from relay terminal, I have changed the relay but still same is that a key sensor related fault pls. Quick respond i will appriciate sir. 
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pipino
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Re: Fuel injection relay
« Reply #8 on: Dec 2nd, 2019, 12:28pm » |
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Pls sir. Any help pertaining to the problems of my car ??
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Nunnspoet
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Re: Fuel injection relay
« Reply #9 on: Dec 3rd, 2019, 11:13am » |
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Hi Pipino.
I'm sorry to read about your problem. I would do two things. I would check the wiring in the fuse box, just to make sure that the connections to the fixed contact in the fuse box is secure. And as it is possible that even a new Relay can be faulty, I would try another new Relay. Even if the Relay is not at fault you will have a spare one in your collection of Scorpio bits and pieces.
Good luck
Mike
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