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#1
02-06-2007, 02:23 AM
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tick tick ticking....injectors?
Hey,
My impala, 2000 3.4L ticks loudly w/ engine RPM, esp on cold startup. It's def not the belt, b/c I just replaced that....I'm guessing the fuel injectors? is that normal? I'm confused on this one....
__________________
1993 Camaro Z28: 13.75 ET @ 100.42MPH 
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#2
02-06-2007, 04:57 AM
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Re: tick tick ticking....injectors?
lifters maybe?
__________________
(\__/) (='.'=) This is the original Bunny. Copy and paste bunny (")_(") into your signature to help him gain world domination *1987 Oldsmobile Ninety-Eight Regency Brougham.* (deceased) *2003 Ford Mustang GT* just a CAI and Exhaust...for now 
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#3
02-06-2007, 09:06 AM
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Re: tick tick ticking....injectors?
Ticking in your engine is normally the lifters. Being a zero lash engine, there is no adjustment, so replacement will be neccessary. You may also want to check the oil for coolant contamination, as the engine in your car is infamous for intake gasket leaks allowing coolant to get in the oil.
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 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#4
02-06-2007, 04:39 PM
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Re: tick tick ticking....injectors?
sounds higher up, in the upper intake area, so i'm guessing injectors...i've heard other owners complain about this too.....is it fairely common?
__________________
1993 Camaro Z28: 13.75 ET @ 100.42MPH
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#5
02-06-2007, 04:46 PM
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Re: tick tick ticking....injectors?
def not leaking anything....
__________________
1993 Camaro Z28: 13.75 ET @ 100.42MPH
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#6
02-06-2007, 08:24 PM
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Re: tick tick ticking....injectors?
Could it be exhaust leak such as cracked manifold, etc.??
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#7
02-07-2007, 08:43 AM
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Re: tick tick ticking....injectors?
nah, i'm pretty sure it's the injectors...dunno why they'd be so loud though....
__________________
1993 Camaro Z28: 13.75 ET @ 100.42MPH
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#8
02-07-2007, 09:39 AM
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Re: tick tick ticking....injectors?
hey thermo. thier is a additive you can buy that,s called T.K.O and this should fix your problem. it well cost you about 15 or 20 $ but i hear its worth it. add it to a full tank of gas. and your noise should be gone. its for injector +.
but if its a lifter problem, mind been noises for the last 100000 of miles you can replace them if it bother you. keep clean oil in your engine with lucus additive and just drive it. you can buy tko at auto zone
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