Car Questions

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Car is throwing a P0420 code, I've had the cat. converter replaced (sept 2011). What other problems could this be? I had both O2 sensors replaced in May 2009, could they be bad already?

leaking around the back of valve cover

what causes the ABS and ASC light to go on and off frequently?

my car just stopped and when i jump started it managed to drive wirh a red light of battery generator. but when i remove the battery terminal is just switch off.

location of transmission filter on 2004 pilot

I believe it may be the spiral cable that needs to be replaced but I have no idea of the cost of this repair.
Can you help me?

it happens every time i turn off the car. it never just suddenly turns off it always has a little sputter and a little shake in the engine. I bought car about a year ago and not sure about mileage maintence care.

would like to know what it means. thanks

What is the problem

I had a car accident with a few scrapes and one big piece of damage on the back. I have an estimate, but it seems really high. How much would it cost for a few repairs or at worst to replace the whole door?

Major problem? minor problem? Dealer repair, or good local shop?

When I turn the key to the on postion there are times the engine will not start. When I jiggle the key and keeping turning the ignition on and off several times the engine will start. It is as though ther is no electricity to the ignition.

The smell is like a sour smell. I know the cabin air filter is in the engine compartment and I plan to change today. Any other ideas anyone may have. Thanks

1998 chevy monte carlo LS has swollen passenger airbag - not sure if swollen by the sun or is ready to burst open. I need to have it check out by specialist.

lights flash with key on off and out of car (parked for the night)... some times when driving shut off, but start right up and can drive again... had it to my shop 4 times and cant find the problem.. shop cant scan the car.. I'm disable and need my car to be depenable.. can some one please help me.