Question about 1993 Suzuki Sidekick

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Fast idle cold to hot - 1993 Suzuki Sidekick

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  • Suzuki Master
  • 20,706 Answers

To fast hot and too fast cold that it?
well here is normal, its a G16 engine, a Vitara with Sidekick badge.
G16 in cold weather, start and race idle at about 1500 rpm
or more if in ALASKA, you never said that or how cold it is.
the IAC valve is thermal, it and opens more colder, a fact.
the 8valve engine (black steel top) is faster. cold idle
then drops in a few seconds, to 1500rpm
at this time, the ECU brain does NOT control idle speeds at all.
the the engine warms up by virtue of the thermostat
as it warms to 150F to on way to 180f stock temp.
the ECU then takes control of the idle speeds.
got that so far?
so at 180f the idle is 800 rpm (800 is hard coded in the ECU,
ad ECU regulates this, unless you turn on the A.C , and if that happens 1000rpm is called up.
if not the ECU cant control it or the ECU is in limphome mode or worse.

if you insert the diagnostic jumper
does the CEL lamp flash 12s
it must.
see this paper clip this is your only scan tool.
it is crude but that is all you get until 1996.

http://www.fixkick.com/CEL/CEL.html#OBD1codes


Posted on Jan 04, 2017

  • _-__-___-_
    _-__-___-_ Jan 04, 2017

    for 10x better answer
    show vin code
    show engine photo.
    or tell if top of engine says 16valve in huge cast in place letter.
    if top is black that is the G16a, 8v engine.
    the EFI on those to are bookend opposite, method of working.
    the 8v races with vacuum leaks
    the 16v goes lean and stalls, or drops.
    The 16v has a MAF sensor huge just behind the air cleaner.

    tell more get more,,,, (owned 3 i did and sold them when they went Bankrupt here)
    the bugged out in USA and then canada.

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Posted on Jan 02, 2017

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Aka:
Geo Metro (later re-branded the Chevrolet Metro), Pontiac Firefly, and Suzuki Swift
which engine, what country???
I will post for USA only !!!!
Auto or stick tranny???
the USA 1995 was the last car to use TBI injection (throttle body)
the LSI option, then had a 4 cylinder. in 1.3Liters.
and works totally differ. than any 1.0L
answsering for 1.0L

Have you inserted the Diagnostic jumper wire and looked at the
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A/T transmission fast idle, device, broken.
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then , : (im skipping cold due to harder to diagose and rpms not stated)

1; Is the coolant temp,
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if not all EFI cars fail idle her.e.
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the ISC is electric and operates under ECU control
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illegal.
the main page on idle is here
http://www.fixkick.com/IDLE-AIR/idle-index-home.html

the 98 specific page is here26 ways to fail. here.
http://www.fixkick.com/IDLE-AIR/16v-idle.html

even a loss distributor base clamp (bad service)
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