bad runnin 94 Z-28

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01-25-2007, 02:33 AM

starr

Newbie

Thread Starter

Join Date: Jan 2007

Posts: 1

bad runnin 94 Z-28

new here. wanted to know if anyone would know why when my car is warmed up, the idle jumps up to 1.5 grand and back down to .5. it also starts breakin up while driving. any help appreciated.
thanks, thumper

01-25-2007, 02:49 AM

Saint_Ali

Overdrive Member

Join Date: Jun 2006

Location: Las Vegas

Posts: 3,170

RE: bad runnin 94 Z-28

could you be more specific ? does it shake or stumble ? whats it like when it getswarm ?

01-25-2007, 01:23 PM

z28pete

Tech Droid

Join Date: Aug 2005

Location: North East PA

Posts: 9,215

RE: bad runnin 94 Z-28

Is the check engine lit? If it is, you need to address that problem first. Otherwise start by giving the carfresh plugs & wires, new fuel filter, new air filter, new PCV valve, & look for vacuum leaks.