Discussion in 'GM Powertrain' started by tknucks, Feb 1, 2011.
Runs rough at low rmps and sometimes @ idle. Replaced the IAC and TPS... Any ideas?????
Welcome to the GM truck club Tknucks.. How many miles & how long since it's last maint. service, tune up??
Do you know when the plugs/wires/distributor were changed last? A good seafoam cleaning through the vacuum line at your brake booster could help.
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