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puma 1.7vct missfires and kangaroos

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Old 28-04-2009, 06:20 PM
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kyle_pumesta
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Default puma 1.7vct missfires and kangaroos

hello there
my mk4 fiesta with a puma 1.7 conversion is winding mee right up so need your help

done the conversion and it doesnt run right dam thing so going to change lamda as the solus picked up that the lamda was over heated or under heated and it picked up that the cam time was too advandanced so retimed it all after the mot and it ran better it runs well till 3k then it kangarooosss like a bitch till it gets to 4k then its fine but its well down on power even after 4k and it also said that the vct solinoid could be not working right so will change lamda and get a proper auto electrian to do the wiring for the lamda extention

ive now got the new lamda and it still runs shit and when me and da retimed it today put the crank at tdc and the exhaust cam was in the correct place but the inlet cam was retarded so relined it all up correctly and then when you turn the engine over by the crank and the cambelt book says u get the crank back to tdc but the inlet cam has retarded again as when you first move the crank the exhaust cam will turn but not the inlet one and thn it will turn so any help please????????
Old 28-04-2009, 06:22 PM
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kyle_pumesta
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few pics of car in question


Old 28-04-2009, 06:42 PM
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Fuel Filter been replaced?
Old 28-04-2009, 06:47 PM
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kyle_pumesta
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erm was last year but the solus keeps saying cam timing is too advanced and its been retime 3 times
Old 28-04-2009, 06:48 PM
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Is the pulley spinning as your tightening it up?

You may need to check your VCT over aswel
Old 28-04-2009, 06:59 PM
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kyle_pumesta
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Originally Posted by Evey
Is the pulley spinning as your tightening it up?

You may need to check your VCT over aswel

nope and well tomorrow im going to swap it all over the inlet cam n all the vct stuff with the spare ones i got and hope that sorts it i really hope it does
Old 28-04-2009, 09:38 PM
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Did you turn the crank / cam enough to make sure they were synch'd up correctly with the VCT coupling in the inlet? It needs 2 revs.

28. Check the valve timing.

l Turn the crankshaft clockwise through two revolutions to TDC.

l Set the crankshaft to TDC on cylinder no. 1.

l Check the TDC position using the special tool.

l Detach both special tools.


29. Note:
Only if Special Tool 303-376 cannot be inserted.

Check the valve timing.

l Undo the affected camshaft timing pulley.

l Turn the camshaft until Special Tool 303-276 can be inserted.

l Tighten the camshaft timing pulley, in doing so the crankshaft must remain at TDC.

l Check the valve timing again.
Otherwise you won't know where the VCT is.

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Old 28-04-2009, 09:52 PM
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Originally Posted by Puma_dal
Did you turn the crank / cam enough to make sure they were synch'd up correctly with the VCT coupling in the inlet? It needs 2 revs.



Otherwise you won't know where the VCT is.
make sure when you put the belt on the vct unit is not turning as it will as its sprung loaded.
make sure with locking bar in the cams, and the inlet 1 is back at the stop when belts on. its a bit fiddly mate
Old 28-04-2009, 11:51 PM
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thanks i will try that tomorrow and see how it goes
Old 29-04-2009, 09:13 AM
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Good luck!

Ford quote about 5 hours to do a VCT Puma cambelt change.. a good mechanic that knows what they're doing can do it in 2ish. Always worth changing the water pump when you do it as well as the cambelt needs off really to get proper access.

Water pump with orange sealant shown behind cambelt:
Old 29-04-2009, 02:40 PM
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right just retimed it again this morning and undid the vct pully it spun round abit then we spoke to fords and they said it might do that some times it wont but thats it in netrual so bolted alll back to together and just done then started it and put the solus on it and it couldnt find any fault codes took it out and its gone and its running how it should be whoooop thanks
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