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Pop/Clunk after starting - Terrible Mileage

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  • 1 Post By NitroPT
  • 1 Post By stevenlee34983

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  #1 (permalink)  
Old 23 Sep 2017, 10:57 am
Fresh Cruiser
Join Date: Apr 2017
Location: So. FL 2006 Limited
Posts: 9
Default Pop/Clunk after starting - Terrible Mileage

A few seconds (3-5) after starting I hear a pop/clunk type of sound from the engine bay, this is without moving, car starts right up and then this weird noise

This doesn't happen all the time, I'm hoping it's not something in the transmission sticking (it's manual)

Also I'm getting 15 mpg, I replaced the plugs and am going to replace the oxygen sensor, I also did the valve cover gasket and while doing it I noticed the motor to be very clean on the insides, but since the valve train was noisy due to what I think was a dirty lifter, I ordered some lifters to do with the timing job, I don't think the cat is clogged, but maybe the pop/clunk is a chunk of the honeycomb that came loose, although it seems unlikely that it would make that much noise

Maintenance done
Bought it about a year ago and replaced the whole suspension and installed urethane inserts in the lower torque strut

Anybody ever have this noise?

*edit 2006 non-turbo Limited*

Last edited by stevenlee34983; 23 Sep 2017 at 12:04 pm. Reason: adding year
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Old 23 Sep 2017, 11:59 am
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Join Date: Jun 2012
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Default Re: Pop/Clunk after starting - Terrible Mileage

It helps if you put the year and model?????
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Old 23 Sep 2017, 12:07 pm
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Join Date: Apr 2017
Location: So. FL 2006 Limited
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Default Re: Pop/Clunk after starting - Terrible Mileage

sorry, just edited the post to say it is 2006, has 140k miles
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Old 30 Sep 2017, 05:09 pm
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Join Date: Nov 2015
Location: plant city fl.
Posts: 73
Default Re: Pop/Clunk after starting - Terrible Mileage

many many things it could be,without being there with my stethoscope I would just be guessing
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