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89' sidekick idle "hunting" problems

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Offline eastTXpredator

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89' sidekick idle "hunting" problems
« on: December 03, 2009, 10:57:44 AM »
89' sidekick 1.6 8v EFI 4wl drive auto trans .
  when I crank the engine it idles way up, maybe 2300rpms & starts "hunting" up & down, after it warms up it will idle dn but still hunts when it's in park or neutral . I had to replace the engine but used the same intake & it still does it. I've spayed ether around searching for vacuum or intake leaks but have not found any problems . Seems to run down the road great , its just when it's in park or neutral . Any help would be greatly appreciated. Thanks
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89' 2 door Sidekick, automatic trans, Calmini 3"lift & EDSES system
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Offline fuzzy1

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Re: 89' sidekick idle "hunting" problems
« Reply #1 on: December 03, 2009, 02:01:40 PM »
Is your CEL on? On the TBI I wouldn't suspect vacuum leak... it usually causes constant race, rather than lope (hunting). I'd suspect IAC dirty or TPS out of calibration... or the ECU caps need to be replaced. Check out kick-fix.com: http://www.kick-fix.com/ he has pages for the 89/90 differences as well as idle control diagnostics.

Hth
Fuzz
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'97 Sidekick Sport 1" spacer lift 225/75R16 Cooper AT's. Pioneer Sound, 14" Grant Steering Wheel.Otherwise mostly stock
'96 Tracker 1.6l 16v 3spd Auto 4x4 85k - 1 1/2" OME Lift BFG 235/75 AT's on Ion Alloy 15x7's - Pioneer Sound - Custom Installed Hydraulic Drivers Seat (Sold)

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Offline eastTXpredator

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Re: 89' sidekick idle "hunting" problems
« Reply #2 on: December 04, 2009, 07:53:37 AM »
Thanks , I'll check it all out , it's my first suzuki & I'm not real familiar with 'em , but I like it.
   
   No, the CEL is not on (had to go to the sensor page to find out what the CEL was , great info )


« Last Edit: December 04, 2009, 09:06:30 AM by eastTXpredator »
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89' 2 door Sidekick, automatic trans, Calmini 3"lift & EDSES system
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