The 2003 Chevrolet Malibu PCM valve can be found on the firewall in the engine compartment. The PCM valve will be on the passenger side of the firewall.
timing is set by pcm, at factory!!
How mcuch does a 2003 Chevy Malibu weigh?
under dash on drivers side!!
How program my keyless entry remotes for 2003 chevy malibu
how do you check the safety neutral switch on a 2003 Chevy Malibu
How do you change the fuel pump on a 2003 Chevy Malibu?
How do you program a key fob to a 2003 Chevy Malibu
I need head bolt torque specs and sequence on 2003 Chevy Malibu 3.1
The flasher relay on a 2003 Chevy Malibu is located under the dash near the steering wheel. Look for a bright green plug.
very carefully
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no the egr valve has a big effect on the engine,it is controlled by the pcm.