ok, did the tune up *my self*, to try and fix my black exaust/slow car problem... yea.. did not work i mean it feels better but im still getting a loss of power and black smoke every now and then.

i replaced the rotor, distributor, wires, plugs( they were so bad looking)

i was speeking to some car dude he said it "could be" a knock sensor
and that i should get my fuel injectors cleaned! he said "it works"!!

wtf is a knock sensor?

 

has teh 02 sensor ever been replaced?

 

The knock sensor senses "knocking" or "pinging" when you use crap gas or are pushing the car a bit too hard and retards the timing to compensate.

I think it's time to grab a manual and start testing out all the engine management sensors one by one. O2 sensor, MAFS, knock sensor, TPS, temp, etc, etc....

 

ok when i first had the black smoke there was a small air tube that was broken.... i fixed and it seemed better but the smoke was still there....can i go to the dealer and have them check all the sensors or something

 

YES! GO TO THE DEALER!

 

going to the dealer can save alot of money even at the rates they charge

 

140 bucks down the drain... ****

 

what did they say the problem was? Did they fix it.

 

replace the fuel filter. that helped mine.