Posted: Mon Jul 23, 2012 9:26 am Post subject: Pressure control solenoid, force motor, EPC change
I'll be helping my friend with his 03 Impala, he's having the PCS issue, where car slams into first from a stop now and then, especially when hot.
In addition to adding a zzp shift improver and changing out the PCS, would you recommend changing the other shift solenoids as well as manifold pressure switch. He plans on keeping the car as it is in excellent shape but also doesn't have the funds to spend money where it might not be needed. Since I am handy and have access to a fully equipped shop I'm trying to save him a few dollars in these tough times. Car has 158,000 kilometers and everything works.
I have searched the site and did not really come across many issues regarding the 1-2 3-4 or tcc solenoids so wasn't sure if these should be changed as well.
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