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I have a 1998 Izuzu Rodeo 4ze-1 with automatic that idles to low and stalls when shifted into gear. Engine idles around 950-1000 rpm in park, and holds the revs once the A/C is engaged, but fails to hold idle once the transmission is shifted into gear. Even with the A/C switched off, the engine stumbles and stalls once transmission is put into gear. I have replaced all the intake tubing between throttle body and air cleaner assembly and replaced all vacuum lines. Timing is spot on. Any ideas what should be looking for?

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alicantecoli
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SOURCE: Engine idle problem. Range Rover 4.6 HSE 1998 Have

sorry but you have tried everything i would have done except that i would have checked the engine breather pipes for deterioation like perished or soft and collapsing .you would be surprised how often this is the main cause of this sort of problem

Posted on Aug 21, 2010

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Why it stalls at stops and low speeds


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Jan 02, 2016 | 1999 Honda Accord

2 Answers

2002 rodeo, starts and when put on gear stalls


Automatic transmission ??
Check engine lamp illuminated ??
Cold engine idle speed ??
Warm engine idle speed ??
IAC (Idle air control) system operation ??

May 28, 2015 | 2002 Isuzu Rodeo

2 Answers

I got 1994 toyota andf it stall when i turn on anything like blinkers or headlight and when i put it in gear. Its a five speeed v-6 but it starts right up and idles but if i hit brake it sounds likeit


ok , i guess you are saying the engine stalls when I use heavy electrical loads (like head lamps or brakes or even blinkers)
and when you shift from park to drive.
ok , if the engine RPM is 800 before the stall, then that is a total loss
of engine power with lost of idle controls.

The big load is in DRIVE on automatics huge going to DRIVE.

if battery voltage (yes, a 10 buck walfart meter works) can see 13.3 to 15vdc idling at 800 or more RPm.
the Alternator does not work below 800 so , dont expect it to.

so, if rpm in park is below 800 then we fix that first, see why?
if idle drops below 800 this is caused buy many things.
one vital fact missing is you didnt say, if I drive it like a stole it.
that is aggressive right foot. , do you have full engine power, now?
ignoring stalls. (see my drift there, "is engine power good;?)

battery volts above 13.3vdc.
idle at 800 and stalls in DRIVE (shifted)
  • low fuel pressure.
  • never ever tuned up this decade, with all spark parts bad.
  • ISC stuck( idle speed controller (it lets in more air , in DRIVE)
  • low engine compression.
  • other complex ,fueling issues, (ask) and lots of tests. (ask)
if no tachmeter in car or tool box, repairs get dicey.
hard,
it takes tools to diagnose and fix cars.
go tools? or willing to buy them
if not,? get it serviced.

Dec 08, 2014 | 1994 Toyota Pickup

2 Answers

Rough idle after engine is warm


Dirty air filter, dirty throttle body...try 2 bottles of gas line fuel injector cleaner...has your car been parked for awhile? Heet gas additive will work on any low gas tank sludge that you may have. Hope this helps.

Mar 24, 2014 | 1999 Mazda 626

1 Answer

Just replaced heater core, now car dies when put in gear


check for pinch wires around core install. also a vacume leak from same job not plugged

Dec 03, 2013 | 1998 Mercury Grand Marquis

1 Answer

My Nissan sentra fn15 with a ga15 engine, the rev counter does not change with rpm increase, drive car for 10 mins it slowly goes to 5-600 rpm, it also stalls sometimes, are they related


WHAT YEAR? CAR.
the engine tachometer reads what.
that whole post is a contradiction.
ahh, you mean the engine does not accelerate, or the engine bogs.
600 RPM is why below, 800 normal (most cars)
the engine stalls, well sure it will as low idle speed will surely do.
so the real post is my engine stalls.
and if i try WOT ,it will go above 600 rpm in or out of gear?
wot means wide open throttle.
can the engine race to 3000RPM in PARK (or neutral)
if engine power is ok, full WOT power up a hill and is only and idle problem say some. and we work bad idle.

the top reason for stalls (besides #1 never ever doing the 60k mile service,repeats at every 60k)_
is a stuck open EGR (part of same service to do that but Ill add that)
or stuck closed ISC (electric IAC)

Oct 16, 2013 | Cars & Trucks

1 Answer

Will not idle when cold


Its cold start issues:----
Go through the list of help links mentioned below:----

Click the link :----

Cold start problem and vehicle shudder around 2500 to 3500 rpms
http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html
----------
Low idle when cold out side?
http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html
--------------
Ford explorer 4.0 will not idle when cold?
http://technoanswers.blogspot.in/2012/02/ford-explorer-40-will-not-idle-when.html
--------
Automatic transmission shift lever hard to move on cold mornings?
http://technoanswers.blogspot.com/2012/01/automatic-transmission-shift-lever-hard.html
----------
Car won't start when cold?
http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html
-----------

It can be issue with IAC( idle air control valve) causing the problem.


There are many other possibilities causing these idle issues. Engine idles rough.

There are few help links with solutions to troubleshoot such idle issues.

I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

Ford Expedition IAC valve replacing

http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

-----------

Stumbling and stalling at idle after engine rebuild?

http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

------------

1999 Ford F-150 Idles rough and quits when gas pedal is pressed less?

http://technoanswers.blogspot.in/2012/01/1999-ford-f-150-idles-rough-and-quits.html

---------

Engine stumbles coming off idle when warm?

http://repairhelpcenter.blogspot.com/2012/01/engine-stumbles-coming-off-idle-when.html

------------------

Erratic idle on car?

http://schematicsdiagram.blogspot.com/2011/12/erratic-idle-on-car.html

-----------


Cold start problem and vehicle shudder around 2500 to 3500 rpms

http://repairhelpcenter.blogspot.com/2012/10/cold-start-problem-and-vehicle-shudder.html

----------

Low idle when cold out side?

http://repairhelpcenter.blogspot.com/2011/12/low-idle-when-cold-out-side.html

-----------

GMC Sonoma Stalls and idles low

http://technoanswers.blogspot.com/2012/10/gmc-sonoma-stalls-and-idles-low.html

--------


GMC Idle Air Control (IAC) Valve Replacing?

http://schematicsdiagram.blogspot.com/2011/12/gmc-idle-air-control-iac-valve.html

-------------

1996 Camry intermittent engine failure while idle?

http://repairhelpcenter.blogspot.com/2011/10/1996-camry-intermittent-engine-failure.html

------------

Engine quits at idle?

http://repairhelpcenter.blogspot.com/2011/10/engine-quits-at-idle.html

-----------

Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html

---------

High Idle Problem

http://repairhelpcenter.blogspot.com/2012/10/high-idle-problem.html

-------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed?

http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

--------

High rpm in neutral? Inconsistant high RPM in neutral?

http://technoanswers.blogspot.in/2012/02/high-rpm-in-neutral-inconsistant-high.html

-------

Vehicle stumbling at idle and shows code 54?

http://schematicsdiagram.blogspot.in/2012/03/vehicle-stumbling-at-idle-and-shows.html

----------

Rough idle, staling and Erratic shifting?

http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

-----------

While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

---------

These details will help.

Thanks.

Dec 14, 2012 | 1999 Jeep Wrangler

1 Answer

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problem is internal ,not difficult to repair ,its a solonoid on the mechanism inside the sump but you may not be able to buy the parts only an exchange gearbox complete

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I HAVE A 1998 CADILLAC CATERA V6 AUTOMATIC ENGINE DIES IN DRIVE


Yes, most likely a fault in the auto transmission, and the car has shut itself off to prevent further damage.

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93 Honda accord - idle real low (500 rpm) HELP, please!!


near the throttle body there is an adjusting screw(flat head) for air fuel mixture, it's on a deep cavity sometimes with a cover, adjust counterclockwise will increase the idle.

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