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Fg Xr6 Turbo Rough Idle


travishartley

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  • Member
  • Member For: 10y 3m 22d
  • Gender: Male

Same issue on my 67,000km engine - plastic bit on the chain tensioner broke away, cam cog skipped, gave me 20 degree advance. Not exactly Ford Tough! An early timing chain reco I suppose.

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  • Member For: 10y 6m 6d
  • Gender: Male
  • Location: Shellharbour NSW

I've had this rough idle issue once since owning the car for approx 2 months.

It's an 08 FG XR6t.

It was a cold morning and I started it up and let it idle, after a few minutes whilst I was waiting for the wife and kids to get their sh!t together, it went into a very rough idle like it had a monster cam in it.

I let it go for a bit to see if it would right it self but didn't. So I gave it a little rev and the idle smoothed out and it continued to idle smooth for another 5 or so minutes till we left.

It's only done it the once and that was a while ago.

Very weird!!!

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  • Member For: 10y 11m 19d
  • Gender: Male
  • Location: Brisbane

Mines done this for a while, also further to captain's description mine backfired when giving it a little rev in the same situation just the other day. Im hoping coils but I might pull the rocker cover this weekend and do some investigating.

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  • Member For: 10y 7m 1d

Looks like I have similar issues on my G6ET. Initial issue was rough idling (had this since I bought it 6 months ago, but is a bit worse now), then logged Camshaft too far advanced errors on both intake & exhaust cams.

Pulled the rocker cover yesterday, and it seems to have jumped one tooth. The chain guide & tensioner look fine. I assume it must have jumped on the crankshaft sprocket - can't imagine that it could jump on both cam sprockets. I'm just about to get into it, and have a couple of questions - hopefully someone is online this morning with some knowledge.

1. Which way does the motor turn? I know I should have looked before stripping it, but I didn't. I can get someone to hit the starter, but easier if someone can tell me.

2. Resetting the cam timing - not sure if I can do this without removing the front cover. I should check the bottom sprocket so will try & remove cover, but not sure if I can get the harmonic balancer off without the holding tool. Any suggestions?

Cheers, Geoff

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  • Member For: 18y 10m 21d
  • Gender: Male
  • Location: North West Hot Hell,VIC

If you are looking at the engine from under the bonnet it spins clockwise.As for cam timing I can help as I have not Dissassembled one Yet.

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  • Member For: 10y 7m 1d

Thanks JVK. We managed to work that out- it spins the correct direction to use a breaker bar, touching the floor, and hit the starter to loosen the harmonic balancer bolt. Got it all apart, and my tone wheel looks fine - no chipped or broken teeth. The cam chain isn't stretched either. Had to make a local tool to remove the harmonic balancer - what a pain. Reset the cam timing - it was 1 tooth out. Managed to damage the 2 timing cover locating dowels getting the cover off, so will need to get them on Monday before bolting it all back together. Also found where my oil leak at the front was - the crankshaft seal. Got a new one ready to install, along with rocker cover seals, new spark plugs & drive belt.

I'm hoping it will idle like a swiss watch when it's all done.

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  • 4 weeks later...
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  • Member For: 12y 2m 18d
  • Gender: Male
  • Location: Gladstone QLD

crap y did I read this thread lol I have all these same problems described lol engine light came on when car is at idle it shakes whole car side to side runs bit rough without revs lol. then driving up my drive way it stalled so I started back up big cough of smoke now I have a nice tapping noise in the head lol, is it possible to skip a tooth and change timing causing valves to open and hit piston head?

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