Changed Coil packs this morning and now the car runs worse than yesterday

Now the car shudders majorly, popping noises still occuring but now more frequently! Stalls or dies sometimes when stepping on the gas. slow acceleration! the muffler is now starting to putter

Spark plugs are tight and gapped properly! New Spark Plug wires seated properly!
Coolant level normal. Oil level good. Transmission fluid good. I can hear the fuel pump as I always have.

What else have I not thought of? fule injectors?


Good...Better...Best!...Never Quit, Never Rest...Until the Good Get Better and the Better Get Best!

how many km what kind of car.....may be the air flow sensor.



maybe not today, maybe not tomorrow....... but some day

99 Cav 2.2 88K


Good...Better...Best!...Never Quit, Never Rest...Until the Good Get Better and the Better Get Best!

poping noise sounds like wires. Some cheap wires are junk out of the box did you buy delcos?




1979 Impala Sport Coupe Aeroback

sounds like a sensor to me...maybe the Crankshaft Position Sensor causing it to misfire, or maybe the Mass Air Sensor..


®â€îñg666™

I blieve 2.2 are MAP cars no MAF on them.




1979 Impala Sport Coupe Aeroback