Question about 1993 Suzuki Samurai

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How do i adjust my carb for higher alitude? I have a 87 samurai stock with 1.3l it was towed up hill to my current residents of 4200ft of elivation. It was at sea level. How do i adjust my carb to match the elivation?

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3 Answers

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  • Suzuki Master
  • 20,706 Answers

There is EFI on newer ones.

OP what country are you in, cars vary by COUNTRY !!!

it needs smaller jets. and set the chock milder, its covered in the FSM, need that? above is bunk, on (cant be) pure wrong. woolcocky, all carbs can be tuned, all can.

if the car is USA car it had EFI day one. by law. here.

1.3L is G13 engine, true name,

and needs no altitude adjustments of any kind, EFI does that magic

using the on board Attitude barometer sensors (need a photo of it>?)

I have 100% documentation on this car.



in case you dont believe it , here is 94 ECU

about 1988 carb became illegal here. USA. (about) (EPA laws)



http://www.fixkick.com/sammi-stuff/late-sammi-efi-94.jpg



if in USA< the poster may get confused, as many do

that TBI throttle body injector , on top engien looks kinda Carb like.

it is not.

here is my guess.



  1. needs a tune up (all spark parts) and filters fuel and air.


  2. engine themostat stuck open or bad.


  3. ECT reads too low temp.


  4. injector (has only 1) leaks.


  5. fuel pressure not spec, but is 60psi, bad FPR.


  6. ECU in limphome mode, it will flood fast up high ALTitude.


  7. Check engine light does not come on keyon, no start.


  8. check engine light stays on, running, (dtc errors or limphome)


  9. more


tell more get more.

answering for USA SJ413 car.

this is a USA forum so we default to USA. for that reason.

there are 54 different SJ413 sold world wide.

true suzuki name for car. and books sold by suzuki.

Posted on Mar 17, 2015

  • 1 more comment 
  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    87 has a carb. i posted to wrong post. the carb is cover in the book here, real book , ihttp://www.fixkick.com/sammi-stuff/index.html

  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    set the chock , to less choke and it will run better. back it off a tad.

  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    make sure the thermostat works and is 180F or more.

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  • Contributor
  • 1 Answer

On a stock Samurai, the Engine Control Module will cause the carb to automatically adjust for altitude.

Posted on Jun 07, 2010

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  • VaderSS Feb 19, 2015

    The Samurai has a mixture control solenoid in the carb that compensates for altitude. I've been at 10,000 feet elevation in mine and it runs perfectly.

  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    closes, but there is no such thing, period in 1990 to 1995 sammy. Zero.

  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    do you need the FSM, I have it. need to read it?

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  • Contributor
  • 5 Answers

There is no ecm the samurai. However the samurai will automatically adjust for the elevation change. Carburated engines however do suffer more at altitude in terms of power loss compared to their fuel injected counterparts. this cant be avoided (unless u force induce ur intake). you can adjust the air fuel mixture so that the sammy revs more easily.

Posted on Jan 20, 2013

  • 2 more comments 
  • VaderSS Feb 19, 2015

    The Samurai has an ECM and a mixture control solenoid in the carb that compensates for altitude. I've been at 10,000 feet in mine and it runs perfectly.

  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    false, samurai is USA car, not Jimny, in UK or other countries. its hage TBI EFI, there are NO Adjustements and are illegal here, by edict of EPA. what vader dont know is hes never seen the newer Samurai's the above is 1993, it not a 1988. sorry, but its not,

  • _-__-___-_
    _-__-___-_ Mar 17, 2015

    idle and air fuel rations are 100% controled by the ECU, and has a barometer in the ECU that does Altitude. need a photo of that?

  • VaderSS Mar 17, 2015

    In 1990, the Samurai went to Throttle Body Fuel Injection and stayed that way until it was discontinued in 1995. 1987-1989 Suzuki Samurai has a feedback controlled carb with a mixture control solenoid to automatically adjust the mixture. I have a 1988.5 Suzuki Samurai. It has a carb. Do you need a picture of that?

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Related Questions:

1 Answer

1988 Samurai. Why does the engine die going up hill?


for lots of reasons. how steep a hill, offroad.
50% grade , 99%?
is yours Carb or EFI? 1990 first EFI.
is it still stock, original engine? many are not.
many with carbs, no longer have stock carb. but have weber. as ungrade many do..
just asking for wild guessing, ?
ok, spark plugs are too old.
G(any)
engine cam belt slipped?

some are upgrade to EFI G13 or G16A or B engines.

the stock carb will be bad,, a hopeless case if ever there was... (no kits sold nor parts.)

but lets to the carb hit list.
1: choke stuck on , foods and stalls.
2: float, level all wrong, (will cause too lean or rich , rich is too high) or stuck high.
3: jets all dirty causing horrid lean state.d
4: emulsion tubes (air) clogged.
5: low fuel pressure, or too much if using a usa fuel pump with insane 15psi pressure that carb will fail. or the downgrade to electric pump done wrong. ask me if true.
5: air leaks below the carb cause lean and lack of power,
6: clogged air cleaner or fuel filter.

this is not a guess,
but each takes inspections and testing. fo find it.

Aug 09, 2015 | Suzuki Cars & Trucks

1 Answer

Suzuki diagram


no CRANK
OR NO START

IS THE 87 Still stock?, many are not, engine swaps,?
and changed carbs. ?
post what engine is there G13?
and fuel system. there.? EFI or CARB.

if still stock the stock manual wins big time.

http://www.fixkick.com/sammi-stuff/index.html

check fuses. first.
if not crank, then hot wire starter
or jumper cable start from running car.... like AAA does... dig?
next time tell if
CRANKS but dont start
or
will not crank.
we can not guess that.
nor engine options.

Aug 15, 2014 | 1987 Suzuki Samurai

1 Answer

Car turns off at stop sing or stop lights only at night with the head lights on.


turns off? what turns off HL or engine? try to be exact in statements of car systems. engine , lighting etc.
is the 87 engine still stock , most are not.
we run ours with webers. my boss runs Harely CV carbs.
is the cars Carb still a Suzuki stock carb>?
this very old car is usually never stock, as carb parts for this old dog
are near hens teeth available. so ??????
post a photo of engine and in 1second flat WE sell that that.

here is my guess.
the ENGINE RPM is way below 800 RPM'
if not the charge system is bad.
is the charge lamp on key on then off running?
also all old suzuki's love to stall with stuck open EGR valve
ever clean that valve?
or read the FSM

http://www.fixkick.com/sammi-stuff/index.html

btw lights turn off
engines stall.
engines crank ,start, run or stall. (these terms work best )
for clarity and context.

Mar 10, 2014 | Suzuki Samurai Cars & Trucks

1 Answer

What are the 1987 suzuki samurai stock carburetor settings


carbs are tuned for you altitude. (what country?)
is car still stock, many are not. not this old.
and to tune it takes a 5 Gas Analyser or AFR meter.
once tuned , the Cat converter cleans up the retainer,
the full manual is here, for USA.
http://www.acksfaq.com/sitemap.htm

May 29, 2013 | 1987 Suzuki Samurai

1 Answer

Where is the fuel pump for a 87 suzuki samurai located


depends of still is stock, still 1.3Liters engine?
many are not. after 26 years. still have a carb ?
on the stock motor the pump is driven off the cam shaft.
look at head, see valve cover, ? the FP is mechanical on carb cars.
unless modified.
here are the free books.
all is here if not modifed, if modified post a link to your engine photos. (show carb fuel lines)

http://www.acksfaq.com/sitemap.htm

Apr 16, 2013 | Suzuki Samurai Cars & Trucks

1 Answer

88 suzuki samurai I have has a weber carb with water choke. I notice that the hose from carb has a bulge in it. I dont know the diameter of the hose coming off the carb to purchace another one? Also, i...


custom carb .
who knows what you have, even diff, engine.
remove hose, measure it. if not up to measuring, take it to any shop
and they will tell you, what I.D it is. (most hoses are marked)
the jerking can be many things.
seems to me its the DASH pot effect.
on custom carbs there is no dash pot, so when you drop the hammer (throttle ) you get 100% closes throttle and next snapping
the orig, carb had a dash pot, now missing.
one trick is to run high idle speeds, or back off throttle slower driving.
or add a dashpot.
it simple delays throttle snap back.
sure the timing changes rpm that is why.
when tuning any carb, you set timing first , then tune carb to that.
stock timing and stock advance if motor is still stock,
you dizzy has stock advancing weights and springs, i test those first.
cheers.

Feb 06, 2013 | 1988 Suzuki Samurai

3 Answers

89' Suzuki Samurai


set ur carb floats its probly flooding thatswat id sugest

Mar 01, 2009 | 1987 Suzuki Samurai

1 Answer

Injection engine is better than the old one (carburator system)?


Injection is efficient, low maintenence, still runs at steep angles. Stock carb is very complicated to work on, if I had a stock carb with issues I would replace it with a weber. Still, I prefer injected

Dec 02, 2008 | 1995 Suzuki Samurai

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