Ticking Noise coming from injectors.... - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 09-11-2008
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Ticking Noise coming from injectors....

Are they supposed to tick really loudly? I have a 2003 2.3L XLT. I noticed that the injectors are kinda noisy. What is normal for these?
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Old 09-13-2008
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Fuel Injectors do make a ticking noise. How loud they are depends on the engine. my friends mazda sounded like a sewing machine, and if you get close enough you can here mine tick on my 3.0l ranger. They are generally not very audible though.
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Old 09-13-2008
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my 2001 2.3 ticks pretty loud.
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Old 09-13-2008
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Just how do you know it is the injectors ? Did you purchase a mechanic's stethoscope and listen to them ?
You must have EXTREMELY sensitive hearing to determine it is injector noise.
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Old 09-14-2008
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Quote:
Originally Posted by OTRtech View Post
Just how do you know it is the injectors ? Did you purchase a mechanic's stethoscope and listen to them ?
You must have EXTREMELY sensitive hearing to determine it is injector noise.
Actually you dont always need a stethscope. I took automotive technology for 2 years at a trade school, but you are right you can get a ticking noise from other things like an exhaust manifold leak.

Its hard to do a paper test on rangers though because of the cooling fan you may try but be careful to feel for one of these leks but again you get a lot of warm air flow under the hood of a ranger, at least you do on mine.
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Old 09-14-2008
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A ticking noise would generally be from the lifters or a mechanical part. An injector tick would be extremely hard to hear while the engine is running. Just my 2 cents though.
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Old 09-14-2008
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I have had a similar issue with my 4 cylinder ranger.
My cam shaft went bad, and there was a very loud very audibal clanging that sounded like you where tapping your keys on the table,

When I replaced the cam, lifters, and all those goodies, I also replaced the injectors. After replacing them I started to hear another ticking like noise. It wasn't as harsh as the cam tick was, it was like some one said earyler, a sewing machine.

Now my buddy's got a 2002 ranger, and his injectors are pretty loud, but with out hearing it it would be hard to tell.
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