code 300 and suspension probblem

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cdriscoll

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i have a 2003 aztek it has two issues firstis i get code po300 whent the car is at idel it miss fires cause needle to jump up and down so far i replaced the fuel pressure regulator checked for vacume leaks replaced spark plugs and wires

second prob has to do with the suspension it makes a clicking sound when i turn on the drivers side and it clicks when i hold the car at a consistent speed getting louder as i go faster.and when i accelerate and decelerate the clicking sound fades. i replaced the outer tie rod on drivers side and the rotor on both passenger and drivers side of the car
 
Misfire: probably the coil packs, I have an 04 GP that I've replaced all 3 coil packs within the last year.

Clicking: If you've replaced the brakes, I'd be looking at the CV joints.
 
or a rock in the tire
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i replaced one of the coils packs last year i guessi will do the others this comming weeked and the cv jiont as well. no rock in tire put spair on no chage. no movment at 12 oclock and 6 o clcok on tire. the bearings where replaced aprrox 25000 miles ago how ever i do have a prob with abs light coming in from the passenger side so may be they need replacing once again
 
If you have an ABS light on, it's a pretty good bet you have a bearing going bad.
 
ok sounds good theabs light was on about three months ago checked the light and said it was on the passenger side of the car how ever since then the abs light turned off and abs has been working correctly

so i will replace wheel bearings cv joints coils and check the fuel pressure
 
A bearing will usually "growl" if it's bad. I would check the cv joint first.
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