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My 1990 toyota corolla idles rough. I raised the idle on the throtle body so engine wont stall. except for idle, car runs fine

2 Answers

Mandla Bonga

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Posted on Dec 19, 2021

Mandla Bonga

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My 1989 toyota corolla it stalls when it's hot or when it's idling, I've changed petrol pump distribution cap, petrol filter but it does the same thing pls help

Ted James

Cars & Trucks Master 1,615 Answers
Posted on Dec 08, 2013

Ted James

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Joined: Nov 19, 2013

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Vacuume leak is very probabe, check vacuum hoses for leaks, gasket leak at intake manifold or throttle body etc. I like to use starting fluid and spray around a bit. If you spray it on a vacuum leak, your rpms will noticably go up.

5 Related Answers

Anonymous

178 Answers
Posted on Sep 18, 2008

SOURCE: rough idle stalls at low rpm's

hello first check your idle with the car running foot on brake see were your rpm reading is if your below 500rpm check your label underhood for your curb idle setting second see if theres a adjustment screw you can increase were your gas cable lever rest against your set screw underhood if you feel confident enough remove your iac motor idle air control valve if the bore were the end of the pintle extracts out to close has varnish builup our carbon it will stick creating vacuum leak type senario causing stalling rough idle sometimes even no start conditions good luck

Anonymous

1118 Answers
Posted on Jan 06, 2009

SOURCE: Starts fine, Idles fine, Drives Fine for a while

you might want to chk. the crank sensor and or cam sensor. sounds more to me that it could be fuel problem. chk. fuel pressure. pump could be on its way out. don't be fooled by hearing the pump running as they sound like they are pumping but there not, at least not enought pressure to keep it running. pressure should be around 50 p.s.i.

jamie

1810 Answers
Posted on Jan 10, 2010

SOURCE: 2003 Toyota Corolla rough idle when engine is

chekc the plugs and oil level also chekc the air filter as it may be pluged with ****

Anonymous

196 Answers
Posted on Mar 19, 2010

SOURCE: 1999 Toyota Camry V6 idles rough and stalls after

yes it could be a fuel related problem, when was your last tune up, it could also be a spark issue, old or corroted spark plugs will sometimes not put out the correct amount of heat to ignite the gas correctly till it runs for a while, if the check engine light isnt lit, it will almost have to be something simular to this

Kiri105

286 Answers
Posted on Apr 05, 2010

SOURCE: '03 Toyota Corolla 1,4 VVT-i 4ZZ engine idle rpm

Idle is factory set and cannot be adjusted, your best bet is checking for cracked hose pipework for air intake at idle,(not at problem under exceleration and driving) Any slight upset to the air /fuel ratio will be most prevelent at idle speeds.Check hoses where the meet metal flanges on manifold intakes and any sharp bends in ppipes.Good luck

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Related Questions:

0helpful

1answer

Rough idle wont idle

Hi, try to clean your Idle control valve, maf sensor, fuel filter and most important1 clean throtle body, try that to start, c how you go.

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Aug 26, 2013 • 1983 Toyota Pickup

0helpful

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Its a 115000 btu multi fuel.it starts up,runs a few seconds,then shuts off.it doesnt smoke or anything wierd,it just shuts off.

It can be low fuel pressure issue or clogged fuel pump. Or its engine related issues,---------------

Check the help link mentioned below to troubleshoot the problem: ------

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http://technoanswers.blogspot.in/2012/01/engine-stalls-when-gas-is-given.html

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http://technoanswers.bl ogspot.in/2012/01/car-stalls-when-maf-sensor-is-connected.html

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These details will help.

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Nov 28, 2012 • Cars & Trucks

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2answers

08 ss trailblazer stalls on take off

It can be low fuel pressure issue or clogged fuel pump.Or its engine related issues,---------------
Check the help link mentioned below to troubleshoot the problem :------

Engine stalls when gas is given?

http://technoanswers.blogspot.in/2012/01/engine-stalls-when-gas-is-given.html

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

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http://technoanswers.blogspot.in/2012/01/car-stalls-when-maf-sensor-is-connected.html

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

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http://schematicsdiagram.blogspot.com/2011/12/car-engine-stalls-while-driving.html

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0helpful

1answer

Car wont idle

There re few possibilities that can cause no idle issues.To troubleshoot the issue help links are provided below.Click the link below:---
Idle Problem? http://whatisbyme.blogspot.in/2012/05/2001toyota-corolla-idle-problem.html
---------
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-----------
Stumbling and stalling at idle after engine rebuild? http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

--------
Cooling fan Shuts OFF and Idle Drops? http://howtobyme.blogspot.in/2012/05/toyota-celica-cooling-fan-shuts-off-and.html

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Rough Idle and Vibration? http://whatisbyme.blogspot.in/2012/05/2006-ford-f150-rough-idle-and-vibration.html

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Steering Wheel Vibrates at Idle? http://whatisbyme.blogspot.in/2012/05/1993-toyota-corolla-steering-wheel.html

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Runs Fine But Idle Is Low? http://whatisbyme.blogspot.in/2012/05/2004-toyota-highlander-runs-fine-but.html

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Vehicle Will not hold Idle? http://whatisbyme.blogspot.in/2012/05/2003-lexus-es300-vehicle-will-not-hold.html

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Engine Idles Rough and Dies? http://whatisbyme.blogspot.in/2012/05/1994-lexus-es300-engine-idles-rough-and.html

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This will help.
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Jul 17, 2012 • Cars & Trucks

0helpful

1answer

I have an 1994 Acura integra ls n swapped a b18c on it n I have an idling problem, my idle goes up and down..what can be the cause of this

Get the Idle air control valve checked inspected.Also its suggested to get more troubleshooting done.For more troubleshooting,click the help,links below:---Idle Problem? http://whatisbyme.blogspot.in/2012/05/2001toyota-corolla-idle-problem.html
-----------
Runs Fine But Idle Is Low? http://whatisbyme.blogspot.in/2012/05/2004-toyota-highlander-runs-fine-but.html
--------
Vehicle Will not hold Idle? http://whatisbyme.blogspot.in/2012/05/2003-lexus-es300-vehicle-will-not-hold.html
--------
Erratic Idle and Intermittent engine stalling? http://technoanswers.blogspot.in/2012/04/1997-toyota-camry-erratic-idle-and.html
-------
Stumbling and stalling at idle after engine rebuild? http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html
---------Cooling fan Shuts OFF and Idle Drops? http://howtobyme.blogspot.in/2012/05/toyota-celica-cooling-fan-shuts-off-and.html
-------Rough Idle and Vibration? http://whatisbyme.blogspot.in/2012/05/2006-ford-f150-rough-idle-and-vibration.html
--------Steering Wheel Vibrates at Idle? http://whatisbyme.blogspot.in/2012/05/1993-toyota-corolla-steering-wheel.html
--------This will help.Thanks.

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Jul 17, 2012 • Cars & Trucks

1helpful

1answer

Hi guys, I have a 1989 toyota corolla fx-gt, and when i start it up in the morning, it idles at around 1300-1400 rpm, but after a while, drops to around 1100. When the engine is warm, and has been driven...

first, try to clean your throtle body with a good cleaner an a tooth brush, open buter fly and clean all around, front an rear, when starting it hold your gas pedal down until it starts letgo quickly but keep it running at 2500rpm until engine clears(some smoke may be heavy) this will help with idle problems and clean some carbon from valves and combustion chamber,.second your egr valve may be gettin partially stuck open, disconect hose from top of it, use a small bolt to plug vacum hose and drive it normally if problem doesnot occurs you need a new egr valve,
good luck.

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Apr 15, 2012 • 1989 Toyota Corolla 1.6

0helpful

1answer