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the story...car seemed to struggle starting the past couple days. engine would turn over, but not fire up.
after a few turns of the key, would fire up, but die almost immediately.
try again, it starts and runs fine.
driving along for a bit, the car then loses power. foot off accelerator, engine cuts out.
pull over. same story as when i was starting it at the start of the journey.
called breakdown truck out, couldn't start it due to battery being flat. couldn't really do much else since i was in a lay-by and it was a dual-carriageway (apparently po-po get pissy)
so it's now sitting outside.
going to charge up the batt tomorrow and have a look round.
my dad seems to think it may be a fuel problem? so maybe fuel filter? as it works temperementally
any help, much appreciated as always. Car's a golf with a polo gt engine
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Hmm, it's been raining a lot the last few days, hasn't it? tbh, I'd be looking at that fuel pump relay again first!
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To get a standard A40 this low, you'd have to dig a hole to put it in |
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bl1300
Posted a lot
Posts: 1,678
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Fuel sounds reasonably likely. As SOC said check the electrics in case they've got wet also a leak in the fuel system, especially when under load will cause similar symptoms.
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Last Edit: Jul 8, 2011 20:33:35 GMT by bl1300
Current fleet.
1967 DAF 44
1974 VW Beetle 1303s
1975 Triumph Spitfire MkIV
1988 VW LT45 Beavertail
1998 Volvo V70 2.5
1959 Fordson Dexta
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Hmm, it's been raining a lot the last few days, hasn't it? tbh, I'd be looking at that fuel pump relay again first! that's my thoughts. but a relay can't be faulty can it? won't it either work or not work? |
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Water does funny things to electrics! It's just what I'd be checking first, because it sounds like an electrical fault (intermittant) and you already had trouble there. And no, I've seen faulty relays plenty of times  |
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To get a standard A40 this low, you'd have to dig a hole to put it in |
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bl1300
Posted a lot
Posts: 1,678
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Hmm, it's been raining a lot the last few days, hasn't it? tbh, I'd be looking at that fuel pump relay again first! that's my thoughts. but a relay can't be faulty can it? won't it either work or not work? Well it could be that the relay itself is fine, but wet contacts are giving an intermittent electrical contact causing it to play up. If it looks wet down there dry it out water and electrics really don't like each other |
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Current fleet.
1967 DAF 44
1974 VW Beetle 1303s
1975 Triumph Spitfire MkIV
1988 VW LT45 Beavertail
1998 Volvo V70 2.5
1959 Fordson Dexta
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murran
Part of things
Posts: 610
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first rule of fault finding...... look at what was last disturbed!
if i were you, id go over every part of the conversion and re-do anything you find is dodgy......
if there going to leave relays dangling around where they're guna get wet.... then god only knows what else you might find.
if you want this wiring diagram I printed off autodata then pm me your addy and i'll post it foc.
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Last Edit: Jul 8, 2011 21:18:26 GMT by murran
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yeh i was planning on redoing the wiring when i hand in my uni project
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Tim
Posted a lot
Posts: 3,340
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Hmm, it's been raining a lot the last few days, hasn't it? tbh, I'd be looking at that fuel pump relay again first! that's my thoughts. but a relay can't be faulty can it? won't it either work or not work? My ol;d civic used to do exactly this...faulty relay...got joints resoldered and it sorted it. |
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Jul 10, 2011 15:35:32 GMT
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was the relay. annoyed since it was new 2 weeks ago! does anyone know what the other relay is for? the one on the right is the fuel pump  |
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Jul 10, 2011 16:34:51 GMT
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take it out and see what has stopped working...  ? |
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 1995 mk3 cavalier 1.8i 1972 1200 beetle 2010 1.2 fiat 500 "sometime's" 2000 suzuki gsxr 600 srad |
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Jul 10, 2011 16:48:15 GMT
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53 is normally a horn relay. Also, if your fuel pump relay burnt out, it isn't big enough... looks like a general puropse 15A thing to me, try and find a 30 or a 45A one next time.
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To get a standard A40 this low, you'd have to dig a hole to put it in |
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Jul 10, 2011 19:36:54 GMT
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The other relay in that pic is for the ecu Cheers Mark
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Jul 10, 2011 19:48:50 GMT
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take it out and see what has stopped working... ? well both of them are the same sort of relay, so I have just switched them for the time being. and everything seems to be working fine 53 is normally a horn relay. Also, if your fuel pump relay burnt out, it isn't big enough... looks like a general puropse 15A thing to me, try and find a 30 or a 45A one next time. the relay was a 40A one, exactly the same as the original (well the one that was in when I got the car) The other relay in that pic is for the ecu Cheers Mark but then surely the engine would not start when there is nothing in it? (or when there's a faulty one) |
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Jul 10, 2011 20:10:03 GMT
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Just to clarify these are the 2 relays that sit next to the Ecu ? If so the ecu one should be a 5 pin relay ! Both should be 40 amp , Mark
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Jul 10, 2011 20:38:22 GMT
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Hmm. Was it a very cheap relay? I'd take the top off and have a look to see why it failed.
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To get a standard A40 this low, you'd have to dig a hole to put it in |
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Jul 10, 2011 22:11:51 GMT
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Just to clarify these are the 2 relays that sit next to the Ecu ? If so the ecu one should be a 5 pin relay ! Both should be 40 amp , Mark they're on a separate "mini-board" on their own in the scuttle panel, due to it being a conversion. i don't see how it's the ECU relay though. since the car runs without a relay being in the slot |
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Jul 10, 2011 22:12:19 GMT
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Hmm. Was it a very cheap relay? I'd take the top off and have a look to see why it failed. it was just a standard one from eurocarparts |
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BiAS
Club Retro Rides Member
Insert witty comment here
Posts: 2,231
Club RR Member Number: 147
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Jul 10, 2011 23:00:56 GMT
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Mount (cable tie?) them the right way up, ie box at the top, plug at the bottom. Some of our minibus depts products at work were suffering electrical problems and I got sent out to investigate, turns out the folk building them were mounting the relays the other way up because it was easier. If they're the right way up and water gets in them it has a chance of draining out whereas upside down or on their side it corrodes the gubbins that make them work.
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(car+wheels)-rideheight=WIN
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Jul 10, 2011 23:05:09 GMT
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How strange , ive 2 gts outside and have a wiring diagram in front of me , on a standard gt loom they are the fuel pump and ecu relays , the fuel pump one is 4 pin and the ecu one is 5 pin. Mark
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