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Idle surge kinda new to Zuki's but not to Idle surge help

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Offline Cincyzuki

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Idle surge kinda new to Zuki's but not to Idle surge help
« on: December 04, 2006, 09:44:39 PM »
Hey i just got my 1992 sidekick 1.6 and it has a little problem with idle surge it only seems to do it if either one i dont let it warm up or if its cold as shiet. I have had many DSM's and they have the same problem sometimes. Its either throttle body, ECU or a number of vacc leaks. Could these be the same problem? Thanks for the help guys

Chris
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Offline Rhinoman

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Re: Idle surge kinda new to Zuki's but not to Idle surge help
« Reply #1 on: December 05, 2006, 05:09:20 AM »
Yeah, its a DSM ECU. Some of the early models have an intake heater but I've never seen one.
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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Offline Cincyzuki

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Re: Idle surge kinda new to Zuki's but not to Idle surge help
« Reply #2 on: December 05, 2006, 01:12:55 PM »
yeah i had a feeling it seemed to dsmish, is that going to be the fix new ecu? or is there an easy fix.
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Offline Rhinoman

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Re: Idle surge kinda new to Zuki's but not to Idle surge help
« Reply #3 on: December 06, 2006, 05:10:18 AM »
Could be a coolant sensor, vacuum leak, bad ground, the wax pellet thing in the throttle body. If you don't have an FSM then you can download one from

http:suzukiinfo.com

Then follow the diagnostics.
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2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org
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Offline urbanwheeler

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Re: Idle surge kinda new to Zuki's but not to Idle surge help
« Reply #4 on: December 06, 2006, 07:31:13 PM »
Mine does that when I turn on the headlights or heater, so it is probably something electrical. the thing I find odd is that the off road lights wont make it do it, but they are wired directly to the battery.
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Runnin' it stock with 225/75R15s and an unmodified 8valve TBI motor (I need a doug thoroley header and a cam) (more power) (1.6 liters of madness) (vroom + sewing machine sounds)
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Offline urbanwheeler

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Re: Idle surge kinda new to Zuki's but not to Idle surge help
« Reply #5 on: December 06, 2006, 07:31:27 PM »
Mine does that when I turn on the headlights or heater, so it is probably something electrical. the thing I find odd is that the off road lights wont make it do it, but they are wired directly to the battery.
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Runnin' it stock with 225/75R15s and an unmodified 8valve TBI motor (I need a doug thoroley header and a cam) (more power) (1.6 liters of madness) (vroom + sewing machine sounds)
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Offline Cincyzuki

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Re: Idle surge kinda new to Zuki's but not to Idle surge help
« Reply #6 on: December 17, 2006, 10:12:13 PM »
Yeah ive found some big vac leaks but still didnt help the cause, im just going to do the dsm trick ecu and new TB. I have found that for some reason that seams to help too. Thanks for all the help guys
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