Runs really bad with the A/C on

Tiny
EUGENE RUPPE
  • MEMBER
  • 2006 CADILLAC CTS
  • 3.6L
  • V6
  • RWD
  • AUTOMATIC
  • 122,124 MILES
My problem is when I go crank my car then start going, then turn the A/C unit on the car just runs bad. When I go to mash gas, it spark knocks real bad. Going up a hill is almost in possible, the car bogs down has no power, and continues to spark knock every time the gas is mashed. Have to mash gas almost to floor just to try in get up a hill, or start off at a light.
Thursday, July 20th, 2017 AT 7:30 PM

1 Reply

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Has the car been tuned up ever? It is probably due for new plugs and wires. If it has been tuned up, what brand parts were used. I highly suggest using OEM plugs and wires always.

Let us know.
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Thursday, July 20th, 2017 AT 7:36 PM

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