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Author Topic: Cutting out under load  (Read 2278 times)

Offline Darkc0re

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Cutting out under load
« on: 27 May 2007, 20:06 »
Hi, i have a mk1 caddy with a mk2 golf 1.8gti digifant engine fitted. It has been running ok for a while but seemed to lack torque and was rather gutless and fuel consumption was bad so i decided to check the timing as per the procedure in the tuneup topic in the maintence section it was way out so i changed it, again as per the procedure in the tuneup topic ever since i got the timing right, it cuts out when i give it a bit of stick? as soon as i put it under some load(higher revs than normal driving) it just cuts out completely, if i wait a few minutes it will restart and if i drive it normally(under 3k rpm) it wont cut out on me but as soon as i want to go above 3-4k rpm it just cuts out on me so basically everytime i accelerate heavily in a gear and get the rpm up high it cuts the engine off completely and wont restart untill i give it a few moments. Any idea what this could be?

Thanks
« Last Edit: 27 May 2007, 20:08 by Darkc0re »
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Offline fused

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Re: Cutting out under load
« Reply #1 on: 27 May 2007, 22:12 »
sounds like over fueling? does it cut out if you are staionary? Disconect the wiring to the AFM (big lump next to the air box) and rev it again. I think
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Offline Darkc0re

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Re: Cutting out under load
« Reply #2 on: 27 May 2007, 23:26 »
nope doesnt cut out when stationery, Only under heavy acceleration so im guessing its the amount of throttle opening thats doing it? i recently changed the MAF as i thought it was part of my idle problem, read that it may be related somewhere. Do you think the second hand one i have fitted is faulty, would this cause these problems, im going to change it back tomorrow as the problem does only seem to have come about since i changed it.
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Offline Mew

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Re: Cutting out under load
« Reply #3 on: 28 May 2007, 00:04 »
Could it be something as simple as dead spark plugs!?
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Offline Darkc0re

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Re: Cutting out under load
« Reply #4 on: 28 May 2007, 08:50 »
sorry forgot to mention ive changed the plugs, leads and rotor arm
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Offline Darkc0re

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Re: Cutting out under load
« Reply #5 on: 28 May 2007, 10:56 »
sorted now, refitted the old MAF and all is good  :smiley:
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Offline Darkc0re

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Re: Cutting out under load
« Reply #6 on: 28 May 2007, 12:23 »
ignore that, its still broke, Just cut out on me and wont restart, what the hell could it be!?!
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Offline Mew

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Re: Cutting out under load
« Reply #7 on: 28 May 2007, 12:27 »
So what happens after it cuts out? The engine turns over but won't fire up?
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Offline Darkc0re

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Re: Cutting out under load
« Reply #8 on: 28 May 2007, 12:34 »
yeah, it turns over and just doesnt fire at all, i have spark from the coil at the king lead, but last time it happened i took the plugs out, i got no spark at the plug, only a very faint one after loads of turning over and they are very dry so im guessing its not fueling either? i have changed plugs, leads and rotor arm since then. Its weird though as i went probably 5 miles with it fine, pulled fine in all the gears unlike before, all of a sudden completely cuts out, just like all the power has been cut to it but wipers and lights continue to work?
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Offline Darkc0re

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Re: Cutting out under load
« Reply #9 on: 28 May 2007, 13:17 »
oh and the idle is also very erratic? i dont know if the 2 are connected
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