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Suddenly Ticking and Hesitating!!
12-29-2013, 09:55 PM
Post: #1
Cool Suddenly Ticking and Hesitating!!
My 1991 tercel has suddenly started to idle very rough and hesitating when accelerating and there is a ticking noise coming from under the hood. It started right after i hit a large pot hole in the road!! I have checked the spark plugs, air filter, vacuum hoses, wires, all seem ok. Any ideas would be greatly appreciated, perhaps exhaust issue maybe?
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12-30-2013, 01:08 AM
Post: #2
RE: Suddenly Ticking and Hesitating!!
Yeah, if it happened after a big pot hole I would suspect an exhaust issue before jumping to conclusions elsewhere, although that usually doesn't cause a running problem unless the exhaust is seriously restricted. (like REALLY bent) While you are under there looking at the exhaust you should take a gander at the bottom of the engine in case the oil pan or converter shield is damaged.
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12-30-2013, 03:28 AM
Post: #3
RE: Suddenly Ticking and Hesitating!!
(12-30-2013 01:08 AM)Rupe Wrote:  Yeah, if it happened after a big pot hole I would suspect an exhaust issue before jumping to conclusions elsewhere, although that usually doesn't cause a running problem unless the exhaust is seriously restricted. (like REALLY bent) While you are under there looking at the exhaust you should take a gander at the bottom of the engine in case the oil pan or converter shield is damaged.

Thanks I will. In case that doesn't resolve the issue what
totother possible issues could be causing this? Fuel pump, oxygen sensor, ignition please help!
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12-30-2013, 11:36 AM
Post: #4
RE: Suddenly Ticking and Hesitating!!
That's why we look first. The idea is you discover what's obviously broken then we think about what else is affected. There could be damage to the trans pan, oil pan, exhaust, etc, which could cause broken motor mounts, which can pull on a harness or crimp a fuel line.

The other point of view is none of the bottom side damage (if there is any) has anything to do with the running issue so we need to cover the basics of fuel, ignition, and both of those being at the right time, along with good compression.

BTW, there's also a possibility of debris going into the timing cover and throwing the cam belt off by a few teeth. Things like this are common on a car over 20 years old. If compression is low then this is a good place to start.

Keep us posted on what you find.
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12-30-2013, 03:12 PM
Post: #5
RE: Suddenly Ticking and Hesitating!!
(12-30-2013 11:36 AM)Rupe Wrote:  That's why we look first. The idea is you discover what's obviously broken then we think about what else is affected. There could be damage to the trans pan, oil pan, exhaust, etc, which could cause broken motor mounts, which can pull on a harness or crimp a fuel line.

The other point of view is none of the bottom side damage (if there is any) has anything to do with the running issue so we need to cover the basics of fuel, ignition, and both of those being at the right time, along with good compression.

BTW, there's also a possibility of debris going into the timing cover and throwing the cam belt off by a few teeth. Things like this are common on a car over 20 years old. If compression is low then this is a good place to start.

Keep us posted on what you find.

OK will do thanks again!
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