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Which way do I shift my 3L Toyota hiace fuel pump for a smoothe idle it starts fine but idels rough and moves off weak ?

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Best to have codes read if the engine light is on. start up and rough idle are different. Rough idle can be different things. When is the last time you had a tune up?

Posted on Jan 02, 2017

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Posted on Jan 02, 2017

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HOW DO I SHIFT MY 3L 1991 toyota hiace fuelpump for more horsepower for a faster takeoff


Clearly the engine isn't running right and whatever is wrong with it needs discovering and putting right and a fuel pressure and delivery test will be part of the diagnostic process.

It is possible, considering the age of the vehicle and the fact lots of things will have been disturbed during the engine overhaul, that some of the electrical/electronic connections could be less than perfect, sensors damaged or just plain old and vacuum pipes split or wrongly connected.

The big mistake with working on old vehicles is assuming any repair or replacement will be straightforward when that is far from the truth. Things on older vehicles take two to three times longer because you don't simply fit an item as much as build it in to the vehicle with a high degree of engineering skill.
Failure to take that approach results in an inferior, flawed and unreliable vehicle that just wasted a load of money.

Jan 02, 2017 | Toyota Cars & Trucks

1 Answer

My Toyota hiace 3L when l start it idle normal but later it start raving on its own as if someone is pressing excelarator what could be the problem?


its a diesel ...this is the 2 ltr motor for an L3
when was its last service ?
is the idle adjustment knob in the cab on start up ok
then you wind it back
could be a vacuum issue/ sticking throttle cable
fuel pump problem /injectors
air filter
how old are the glow plugs



26279058-yqykbunjevtsx4rn1d2hale1-5-0.jpg

Sep 09, 2016 | Toyota HiAce Cars & Trucks

1 Answer

Valve clearance 1995 toyota hiace diesel van 3l


normally .010"hot inlet and .012" hot exhaust

Apr 22, 2013 | Toyota Camry Cars & Trucks

2 Answers

My 1979 buick reagal runs rugh when is hot




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
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Rough idle, staling and Erratic shifting?

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

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Its a hot start issue.

Can be related to low fuel pressure or problem with crank sensor.


Also it can be weak battery or starter.


But possibilities are to be inspected to confirm what exactly it is.------


To troubleshoot and confirm the issue,i suggest you refer few solved help links with similar types of problem like yours:------


Click the link below:------


1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

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

1994 Toyota Pickup: Starts fine but dies in few seconds?


http://howtobyme.blogspot.in/2012/05/1994-toyota-pickup-starts-fine-but-dies.html

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

1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

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

2002 Toyota Camry: Puff of Blue or White Smoke while Starting?

http://whatisbyme.blogspot.in/2012/05/2002-toyota-camry-puff-of-blue-or-white.html

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

Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?

http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html

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

Delay starting on Toyota Prius?


http://schematicsdiagram.blogspot.in/2012/02/delay-starting-on-toyota-prius.html

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Honda car will not start intermittently?

http://technoanswers.blogspot.in/2012/02/honda-car-will-not-start-intermittently.html

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

Vehicle Starts, Runs and Loses Power

http://whoisbyme.blogspot.in/2012/07/vehicle-startsruns-and-loses-power.html

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

Intermittent starting issues on Volvo 760?

http://schematicsdiagram.blogspot.in/2012/02/intermittent-starting-issues-on-volvo.html

-----------

Car starts and cuts off immediately?

http://repairhelpcenter.blogspot.com/2012/01/car-starts-and-cuts-off-immediately.html

-----------

Car won't start when cold?

http://schematicsdiagram.blogspot.com/2011/12/car-wont-start-when-cold.html

===========

These details will help.

Thanks.

Dec 04, 2012 | Cars & Trucks

1 Answer

Idel's is rough only some time, its not rough all the time,


ZULFIQARDR HAS A TOYOTA CAMRY CAR, SOUND LIKE ROUGH IDLING COULD BE CAUSED BY WEAK FUEL PUMP,DIRTY FUEL INJECTORS, FOUL OUT SPARK PLUGS CAUSED BY LEAKING FUEL INJECTORS,LOW IDLE SPEED, CHECK IDLE SPEED CONTROL COULD BE TOO LOW ARE FAULTY LOOK FOR VACUUM LEAKS ON INTAKE MANIFOLD.BAD LEAKING ENGINE VALVES.

Feb 05, 2012 | Cars & Trucks

1 Answer

I have a 2kd-ftv motor in a toyota hiace van, it starts and runs for 3-4 seconds getting lower and lower in revs till it stalls , sometimes it doesnt stall and picks up after same amount of time and idels...


Hi, you need to firstly replace the fuel filter, the problem is the idle solenoid in the pump has dirt in the piston! From the passenger side of the engine remove the solenoid at the back of the fuel pump 2x 5mm Alan bolts, there is 2 solenoids in the pump the one closest to the block is fuel temp. After the idle solenoid is removed, in the solenoid is a piston held in place by a circlip and there is also a spring in there, clean out all dirt inside and reassemble replace both o'rings and reinstall your problem will be solved. I have just fixed one 2 days ago.

Oct 31, 2010 | 2005 Toyota Tacoma

1 Answer

Lost power to engine


Check make sure all plugs are firing. Sounds like what my 93 Rodeo was doing-Idled okay but very rough when in gear. Turns out only 5 out of 6 plugs were firing due to a defective ignition module- 100 bucks later it works fine.

Hope this helps.

Mar 20, 2010 | 1992 Isuzu Trooper

1 Answer

1992 4runner idels rough sometimes


Check the intake hose to make sure that it doesn't have a whole in it also check the air box that the filter goes in also. Mine was idling rough also and we found a whole in the filter box and the intake hose had a whole in it. Hope this helps.

Feb 23, 2010 | 1992 Toyota 4Runner

1 Answer

2005 superduty- 6.0 Started ideling rough all of


a misfiring engine wont have enough power to sustain a load thats why when you shift it dies.you need to retify the problem first.check for any presence of water in the diesel fuel.Not enough fuel pressure

Jan 20, 2010 | 2005 Ford F 350 Super Duty

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