I need to know if I should be concerened or not. Whenever my Max is sitting in the garage idiling (like when I start it up). I can hear a very low frequency poping coming from my exhaust. It happens about every 5 seconds or so and the idle drops slightly everytime it happens. Is there something wrong with my exhaust or should I not worry about it? Only reason I'm asking is because my car is still acting up every now and agian and I don't know what is causing it. I was thinking that it might be a clogged cat or something.

 

Bump! Any ideas????

 

What engine? VE or VG?

 

VE

 

According to the FSM, you may have an intake or vacumn leak somewhere. When was the last time you inspected and/or changed your vacumn hoses? I had a similar problem with my VG engine. After I replaced a couple of cracked, black vacumn hoses with clear, hoses (just for looks), my stuttering went away. However, that is just a stab in the dark.

I know, I know. I have a tendacy to

 

Cool, i took it to a friends house today (whos a mechanic) and I did have vaccum leak that we fixed. So hopefully that will solve it. Thanks