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On hwy if fine. replaced alternator. Also loud elect hum coming thru speakers.

when we start it after being off for a short period of time and it idles real rough in drive or reverse. it does fine in park or neutral. what else could be wrong with it? i hooked up diagnostic tool at auto zone and it said po300

170,000 miles on Chrysler LHS 3.5 liter, very bad acceleration in drive (5-10 mph AT BEST!!), no codes stored in the computer, but hear loud slapping or thumping noise in front of engine while running.

fuse for the fuel pump gets blown after 30 senconds i start the engine, what is it?

is that the computer to be adjusted or changed and how?

We have diagnosed the no start issue for the BMW. The intake manifold is cracked behind the mass air meter. The intake manifold needs to be replaced along with any vacuum hoses associated with it.
The manifold plus labor and tax installed is : $1979.66
Labor plus diag – 809.91
Part Intake manifold includes hardware and lines – 1057.69
Tax – 112.06
TOTAL- $1979.66

I bought a new door jamb switch because the car alarm kept going on. I got the door panel off, but I can't find the location of where to put the switch. The problem is occuring alot. Its very annoying.

Car was running fine and then while on the expressway it started feeling weird. I got it home and checked the trans fluid everything was fine, great color and right to the correct level. I tried putting it in reverse and it went forward. Car was revving high and not shifting. (Limp Mode)
When I was in park i revved the engine a little bit and let it go back to idle and then the car went in Reverse, Started to drive it and when it shifts into 2nd gear it stays there. I was getting a emission code and mechanic told me I need a Cat. Convertor, But then he was saying that because of the emmision problem it damaged the Transmission. Could this be true?

This problem started on Friday 6/8/12 by hesitating to crank since my gas was on Empty. I filled the tank and it drove fine all weekend but yesterday 6/11/12 it started hesitating to crank but always cranked and would run fine but as soon as I put it in gear it would cut off. It had a 1/2 tank of gas so that was not the problem. Please advise.

just an answer

Have new plugs,wires,rotor,cap.This motor has multiport fuel inj,is 3.9 v6.Also put in new fuel filter,and run several tanks of fuel,with dry gas additive.Problem is very sporatic,at times runs OK.Could it be a bad fuel injector,as the miss seems to be on 1 cyl.

NO accidents, No Collisions. My Supplemtal Restraint System Warning Light Came On. A Day Later my Passenger Warning Light Came on. The light Came on while driving a long distance. My main concern is, hoping the air bags dont deploy while driving over speed bumps or braking at a stop light....Might have to disconnect the passenger air bag module too be safe. still uncertain how to handle this....

My mechanic told me that it'll cost eleven hundrend US dollars to fix the right rear window for my Passat W8. He said that the motor needs to be replaced. Does it really cost that much?

I'd appreciate your help.

code reader had knock sensor bad. replaced it and its harness, along with the front crank sensor. fuel is ok but still no fire or spark.

suspension(sway bar) campaign Id#00V402000 action #PE00039