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Author Topic: 1.8 20v t engine problem  (Read 2047 times)

Offline smithy8979

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1.8 20v t engine problem
« on: 30 January 2011, 13:44 »
hi there. just wondering if any1 can help with my little problem.

ive just brought a v reg 1999 golf gti. as i was driving it there was a woosh noise (as if aload of boost has come out somewhere.) and then cut out, straight after that it fired up and then died straight away. since then it will turn over and not fire up. it has no compression what so ever. all the plugs are fine so they have not smashed through the pistons. im still getting a decent spark and fuel aswel.

just wondering if anyone had any ideas?

thanks
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Offline richw911

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Re: 1.8 20v t engine problem
« Reply #1 on: 30 January 2011, 13:54 »
Boost leak. Sounds like a pipe has come off - especially check the inter-cooler and pancake pipes  :smiley:
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Offline rio_gti

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Re: 1.8 20v t engine problem
« Reply #2 on: 30 January 2011, 13:54 »
charge pipe blown off of somewhere

check intercooler connections and also where the pipe goes from the turbo to the intercooler
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Offline topher

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Re: 1.8 20v t engine problem
« Reply #3 on: 30 January 2011, 14:29 »
Quote from: smithy8979 on 30 January 2011, 13:44
it has no compression what so ever.

if you've done a compression test and getting 0 on all 4 cylinders then chances are you've got bent valves. Check the timing/cambelt
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Offline smithy8979

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Re: 1.8 20v t engine problem
« Reply #4 on: 30 January 2011, 15:03 »
cheers for your help, valves are all fine as i have taken the rocker cover off and the cams are turning as they should.
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Offline Wazzzer

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Re: 1.8 20v t engine problem
« Reply #5 on: 30 January 2011, 16:12 »
doesn't mean they are fine...
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Offline Mrwebster

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Re: 1.8 20v t engine problem
« Reply #6 on: 30 January 2011, 16:15 »
Quote from: smithy8979 on 30 January 2011, 15:03
cheers for your help, valves are all fine as i have taken the rocker cover off and the cams are turning as they should.

lol..   do a compression test with a decent screw in tester.
remove all teh spark plugs, put the gauge into the cylinder crank the engine over for 5 seconds . check the reading,  move to next cylinder,

should be between 145  and 190 psi on all cylinders, with a difference no greater than 10% on all 4
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Offline smithy8979

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Re: 1.8 20v t engine problem
« Reply #7 on: 30 January 2011, 16:33 »
thats how i did the compression test mate
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Offline Mrwebster

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Re: 1.8 20v t engine problem
« Reply #8 on: 30 January 2011, 16:36 »
what readings did you get..
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Offline smithy8979

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Re: 1.8 20v t engine problem
« Reply #9 on: 30 January 2011, 16:41 »
i dunno my dad did it im goin bk over to the workshop later so i will let u no
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