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Talon knocking
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Posted: 08/08/11
06:28 PM
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Talonbooster12323
New User
Aug 8, 2011, 9:15 PM
Post #1 of 1 (13 views)
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1990 talon knocking at idle? Pre ignition maybe? Edit | Quote | Reply
after a head gasket replace on my 1990 eagle talon tsi fwd turbo I could only start the car by pumping the gas and it had a really bad idle now I let the car sit for a couple days and now when I start it ( still pumping the gas) I get really bad fast knocking and it get faster and worse if you rev it even just the slightest and even after u stop revving it it continues to knock rapidly for a few seconds then it goes back to the slower knock it has at idle, it idles really low. Here is a list of every aftermarket part on the vehicle:
List of mods: -Fully rebuilt#4G63T engine at 240000 kilometers (Everything in the engine replaced)
-ARP head studs kit
-Titanium valves and valve springs
-Balance shaft deleted
-Evo 3 exhaust manifold and Big 16G turbo, brand new at 240000 kilometers as well
-Exedy Stage 2 clutch kit
-HKS blow-off valve
-Walbro 255LPH fuel pump
-Spearco front mount intercooler with aluminum piping and Vibrant couplers
-Autometer Boost and Air/fuel ratio gauges in pillar pod
-Tanabe adjustable shocks with lowering springs
-Magnaflow muffler/Catalytic converter#deleted
-Polished 16 inch rims
-Powerslot rotors with Hawk brake pads
-Grant steering wheel
Koyo rad
-B&M shifter knob
Aftermarket turbo manifold
#
-Sony xplod hu
300 watt jl audio speaker amp
-Sony 10 inch sub in ported box
Two 15" mtx thunderpro 750 watt
-Bass inferno 1500Watts amplifier
I also have a video of the engine making the noise just not sure how to post it :s thanks in advance guys hopefully this forum has active users cause I've tried other sites and noone posts at all
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Posted: 08/09/11
10:45 AM
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you have a bent rod or your lifters are not tightened properly. check your lifters and torq them to specs, if it continues then you bent a rod and if you keep driving you you will ruin the cylinder. if you ruin the cylinder, you will have to bore out the cylinders or get a new block.
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the godfather has spoken
R.I.P. GRANDPA PITT AUG 10, 1930 - SEPT 30, 2010
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Posted: 08/09/11
11:50 AM
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I will check the lifters ASAP and get back to you
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Posted: 08/09/11
09:01 PM
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I managed to get the video here's the link: http://www.youtube.com/watch?v=nec-_UYOFtY&feature=youtube_gdata_player
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Posted: 08/10/11
01:24 PM
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sounds like a lifter tick.
-------
the godfather has spoken
R.I.P. GRANDPA PITT AUG 10, 1930 - SEPT 30, 2010
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Posted: 08/13/11
09:58 PM
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Okay so i had a day off so I changed some lifters and redid the timing and it still had the noise so I moved the cam shaft angle sensor thing and I could get it to idle decently with no knock but then when I try to rev it it will bog down and if I just hold the gas on the car dies. when it was knocking I could still rev it.
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Posted: 08/14/11
12:55 PM
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hmmmmm. you should have left the timing and the knock sensor alone. all you needed to do was tighten the lifter. undo what you just did and start the car up and slowly add some oil into it. listen to see if the knock quiets.
just to make sure, when you open your oil cap, does the knocking sound more clear.
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the godfather has spoken
R.I.P. GRANDPA PITT AUG 10, 1930 - SEPT 30, 2010
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Posted: 08/14/11
01:47 PM
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I'm at work right now so I can't do anything right now but after I did the lifters I started it up and it still had he knock so I figured he lifters were fine so that's my I adjusted the cas I didn't do anything to the knock sensor
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Posted: 08/14/11
06:18 PM
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sorry, i had knocking in my head. your cam shaft angle sensor.
-------
the godfather has spoken
R.I.P. GRANDPA PITT AUG 10, 1930 - SEPT 30, 2010
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Posted: 08/15/11
04:22 PM
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Okay so today I started the car up and I noticed it was smoking from the o2 sensor so I replaced it with a spare when I took the sensor out it was all black on the end so I assumed it was bad I put in my spare but it's still smoking, could a bad o2 sensor be causing my problems? the spare I put in was from a 91 mine is a 90 do I need to buy a brand new specific sensor?
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Posted: 08/15/11
11:59 PM
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not that bad. a bad O2 sensor shouldnt cause all of the problems you are having. i have a bad front O2 sensor in my car and it has been like that since i bought it nearly 2 yrs ago. my car still has 190whp from 210bhp in my car. i know the the 4g6_ and the 6g7_ engines suffer from lifter tick. mine does as the oil becomes old and if i dont have the money i just top off my oil and it leaves for a while.
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the godfather has spoken
R.I.P. GRANDPA PITT AUG 10, 1930 - SEPT 30, 2010
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Posted: 08/16/11
10:12 AM
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What would cause two different sensors to smoke then? I just did an oil change so I shouldn't be getting any lifter tick and I'm hopefully buying a timing light soon so I can make sure everything is in time and hopefully the knocking will stop.
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Posted: 08/17/11
12:55 AM
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Have you run a compression test?
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Posted: 08/19/11
03:58 PM
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Not yet i've still yet to get my hands on a timing light But went to check the ignition timing and noticed I didn't even have the lower timing belt cover with the marks on it so I'm guessing that the ignition is out of time if it doesn't even have the cover for it ( idiot that had it before me) I'm hoping this is my problem! Now to find a damn timing light :P
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Posted: 08/19/11
05:04 PM
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You don't need a timing light for a compression test, all you need is a compression gauge, but checking the timing wouldn't hurt either.
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