[timothyb]

My lil' 2004 CVT turtle has been wonderful and is now up to 170k miles, getting around 54 mpg..

The only issue with the engine seems to be a buzzing/popcorn popping sound when I accelerate up hills here in Portland, OR. It seems to be coming from behind the glove compartment area... I thought maybe it was a spark plug issue... I'm thinking of sending it in to the dealership, since I haven't found a Insight mechanic in Portland. Any ideas what the buzzing sound might be?

 

[retepsnikrep]

Spark plug, unlikely.

Air con / heating system gurgling?

Can you record it and post on YT?

 

[NorthwestIL]

Cold -15 degrees. Drove 22 miles- turned right a day transmission went to neutral? ? Help?? Can the CAT

ever be fixed? What a morning ?

 

[Kevin Dougherty]

My lil' 2004 CVT turtle has been wonderful and is now up to 170k miles, getting around 54 mpg..

The only issue with the engine seems to be a buzzing/popcorn popping sound when I accelerate up hills here in Portland, OR. It seems to be coming from behind the glove compartment area... I thought maybe it was a spark plug issue... I'm thinking of sending it in to the dealership, since I haven't found a Insight mechanic in Portland. Any ideas what the buzzing sound might be?

Something in the glove box??

 

[KLR3CYL]

My lil' 2004 CVT turtle has been wonderful and is now up to 170k miles, getting around 54 mpg..

The only issue with the engine seems to be a buzzing/popcorn popping sound when I accelerate up hills here in Portland, OR. It seems to be coming from behind the glove compartment area... I thought maybe it was a spark plug issue... I'm thinking of sending it in to the dealership, since I haven't found a Insight mechanic in Portland. Any ideas what the buzzing sound might be?

Check the cross bar in the engine compartment that the battery is mounted too.

The CVT car I own had the transmission replaced at a local dealer prior to my purchase and it had a rattling/popping. I found the cross bar in the engine compartment was loose, the one that the battery is mounted too,it was rattling against the firewall, it sounded like it was coming from the dash board. As I tightened it I made sure to pull it forward to make sure it would not continue to hit. Tightened it up, noise gone.

HTH,
Scott

 

[Willie Williford]

Broken heat shield on the #1 CAT.

 

[timothyb]

I take some video today and post it..Definitely not something in the glovebox... =)

 

[timothyb]

At 1.20 minutes the popcorny sound I mentioned shows up. Ignore the road noise and the squeaky spring noises otherwise heard on the video..


https://www.dropbox.com/s/2fnq3k1w8bzsglh/VID_20140124_174610.mp4

 

[retepsnikrep]

No idea sorry it's too indistinct.

Perhaps get someone to ride with you listening under the glove box etc.

 

[uhtrinity]

I agree with Willie. Most likely corroded hold downs on one of the cat covers. Mine made the same 'popcorn' or pinging noise under heavy load.

 

[ericbecky]

Yep check the heat shield of the catalytic converter.
When the car is cooled down grab the cover and try to manipulate the cover. Shake it, rattle it back and forth. Also check other parts of the exhaust heat shields for looseness.