MY CAR SEEMS TO BE BACK FIRING AND IT IS DOWN ON...

1996 Mercedes Benz S420

Tiny

Anonymous

November, 18, 2012 AT 4:15 AM

My car seems to be back firing and it is down on power. The car starts up fine. Ive had it 2 and a half yrs and used mainly reg gas. It is also sticking in 1st and 2nd gear 40 mph and 60 mph especially going up hill.
could this be a cat problem or hopefully some thing else?

FOUND 16219 RELATED QUESTIONS

1 Answer

Tiny

mhpautos

November, 18, 2012 AT 9:23 AM

Replace plugs and leads and do a comp test as well, start here.

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