Rough Idle and hard brakes

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crt
Posts: 11
Joined: Sun Nov 25, 2018 11:04 pm

sorry its been so long, life gets in the way, still same problem, tried a new maf, and throttle body, no help, a friend even checked injector pressures, right on, ohmed all coils , within limits......at my end......
old tech
Posts: 705
Joined: Mon Apr 23, 2018 1:51 pm
Location: n/w pennsysvania

I would expect this rough idle to eventually throw a helpful code. Are you sure there isnt any?
Does the car seem to run ok at road speeds ?
Does the power brakes feel ok right after a downhill coast or a decel or is it a hard pedal with little assistance ?
Trouble with the variable valve timing is a possibility but i would think a cam /crank correlation code would emerge.
crt
Posts: 11
Joined: Sun Nov 25, 2018 11:04 pm

I have been waiting (hoping) for a code, nothing as of yet, I will double check with my reader though, car runs great over 1500 rpm, brakes are fine, think i'm just getting a hard pedal because when the idle dips so low, i'm losing vacuum, replace the throttle body with a used one, and idles even worse, stalls a lot with the new (used) one.....
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SAEED_KIZZY
Posts: 507
Joined: Wed Sep 13, 2017 2:31 pm

according to kizashi service manual poor idling
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