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Engine Noise (metallic chirping/clattering) - Question


DudeWheresMyRanger?

New Member
Joined
Feb 27, 2021
Messages
1
Reaction score
0
Points
1
Location
CA
Vehicle Year
1992
Make / Model
Ford Ranger
Transmission
Automatic
1992 Ranger / 4x2 / v6 / 4.0

I took my Ranger to a mechanic for a diagnosis, they couldn't identify anything (they checked for codes and found none) and they wanted to do a full engine tear down (I can't afford that).

When I accelerate into higher gears (Automatic Transmission) I start hearing this metallic clattering/chirping sound, (it sometimes sounds electric IDK). This only happens when I'm giving it some gas, for accelerating up a hill or just in general. I start hearing it around 40 mph and it becomes more pronounced at around 50-55 +. I can hear this through my dash, on the drivers side.

About a year ago I had a Cam Position Sensor code active and the sensor was replaced. I'm wondering if this is the camshaft synchronizer?

To be clear, I do not hear this sound when the truck idles.
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Other things to add (possibly related?):

Every now and then ( this doesn't happen every day). The Engine will surge upon starting and eventually the surging stops when I give it gas and get moving. I have been told my idling sounds normal and good (when It's not surging). I haven't noticed any surging after I replaced the thermostat (not sure if it was related). I recently replaced my thermostat which fixed some overheating and seepage issues, I noticed my temp gauge moving from the middle to bottom.

I have also noticed my ranger has developed poor fuel economy. I'm running through gas faster than normal.

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Anyways, I'm very curious about that metallic clattering/chirping sound at higher acceleration.


Any input is greatly appreciated and thank you.
 

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