Question about 1999 Isuzu Trooper

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Where is the egr valve for a 1999 isuzu trooper?

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The EGR valve is a cylindrical unit above the engine. It would be behind the throttle body.
It will have a cable connected to it. Unplug the cable.
There two bolts. Simply remove.
An that is all there is to it.
Simply put the new EGR valve in its place, screw in the bolts and reconnect the cable.
Make sure to see a gasket. The gasket can stick to either the EGR valve or the throttle body. It does come off easily but since it is metallic, it looks like it part of the throttle/egr valve.

where is the egr valve for a 1999 isuzu trooper? - 74cc5a2.jpgThanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

stevenhurc
  • 450 Answers

SOURCE: where is the location of the egr valve on a 2001

on petrol V6 engine its right rear side of inlet manifold(left side when looking into engine bay) see pics. below
diesel its on inlet manifold left side middle section of manifold

eb59265.jpg
2736ba4.jpg

Posted on Nov 02, 2009

kel1guy2002
  • 3740 Answers

SOURCE: How to clean EGR valve passages in 1993 Isuzu Trooper DOHC V6

You have to the EGR valve (sometimes the Intake manifold to EGR Vlalve line also). After you remove it take a drill bit the about 20 % smaller than the actual hole of the outlet side and rotate the drill bit with your hand to dig out the carbon. Aditionally the line coming from the intake manifold to the EGR valve will clog near the connection to the EGR valve. I use either a single piece of copper wire or the wire that you would use to tie ribar together to clean the line. When your done cleaning take a piece of vacuum line and connect it to the diaphram side and **** on it... then plug the line well with your thumb. Grasp the valve and blow thru it... Air should blow thru it freely. Remove your thumb from the vacuum line and try blowing again.. No air should pass thru the valve.
Then reinstall the valve and start the vehicle with the vacuum line disconnected (but blocked off) Use another piece of vacuum line connected to the diaphram again and **** on the line.. The vehicle should die or run really bad. If it does this then you cleaned it correctly.

Posted on Jan 20, 2010

emissionwiz
  • 75797 Answers

SOURCE: Oxygen Sensor on '99 Isuzu Trooper

The O2 sensor is on the engine side (up stream) before the catalytic converter in the exhaust pipe, it is barrel shaped about the size of a jumbo magic marker.

Posted on Sep 30, 2008

redbeard00
  • 957 Answers

SOURCE: 2000 isuzu trooper: OBD-II Trouble Code: P0401 Insufficient EGR F

Your SUV is really giving you a hard time, lol. Sorry but I've had those days too.
I would try to check if you have blocked EGR passages. If ok check for restricted MAP sensor vacuum hose/passage or restricted exhaust. I know you replaced the CAT but if the muffler is blocked then there would still be a restriction. Also check the wiring and connection to the MAP sensor.

Posted on Apr 28, 2010

Suzman
  • 642 Answers

SOURCE: 1999 Trooper: steps in replacing timing belt on 1999 isuzu troop...

I also did a small write-up but this is much better.
http://www.2carpros.com/car_repair_information/year/1999/make/isuzu/model/trooper/1999_isuzu_trooper_timing_belt_diagram_marks.htm

Posted on May 30, 2010

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1 Answer

What are codes p0401 and p0300 mean on a 2000 isuzu trooper


P0401 is EGR problem
P0300 is a cylinder 3 misfire.
Replace EGR valve and do a full tune-up.

Mar 19, 2014 | 2000 Isuzu Trooper

1 Answer

Egr valve was removed and cleaned mechanic said it was good check engine light is on code called for bad egr.while driving it your pressing on the gas but spedomiter drops revs like you put it in...


sounds like vacumm problem,could be bad modulator valve for ******,have control sylinoid for egr checked,is it still showing egr problem?

Aug 26, 2011 | 1999 Isuzu Trooper

1 Answer

I have a code P1860 and code P0405 in my 2001 isuzu trooper


Code p0405 is for faulty EGR vave od some of the pipe/lines going in or out of EGR valve/system hase broke, leaks or fall of. Or egr valve is dirty and stuck. Check EGR valvle!

Sep 09, 2010 | 2001 Isuzu Trooper

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How to route sepentine belt fot 1999 isuzu trooper


1999 ISUZU TROOPER - V6 3.5L 3475cc GAS FI N 6VE1

Belt Routing Diagram - Multiple Accessory
05a83ec.jpg


From DAYCO catalogue.

Remember rated whit help, good luck.

Nov 25, 2009 | 1999 Isuzu Trooper

1 Answer

My 1999 isuzu trooper is continually having egr problems... why? is there something that can be fixed that is causing this to happen?


just because the dtc thats in memory says an egr fault doesnt mean that the egr is the problem.... there could be a vacuum leak, excess carbon bulild up in egr passages, another emission sensor, or the wiring or harness connector could be the problem

Jul 14, 2009 | 1999 Isuzu Trooper

1 Answer

Oxygen Sensor on '99 Isuzu Trooper


The O2 sensor is on the engine side (up stream) before the catalytic converter in the exhaust pipe, it is barrel shaped about the size of a jumbo magic marker.

Sep 30, 2008 | 1999 Isuzu Trooper

1 Answer

My 2000 Isuzu Trooper needs a catalytic converter.


yes they have 2 cataletic convertors, one each bank
there is EGR codes, but only front O2 sensor codes and fuel trim codes no CAT codes
what were the scanner codes or flash codes i can work with both for helpful info
you can read codes by bridging pins 5 & 6 with ignition in on position engine not running


eb2c10d.jpg

Jul 16, 2008 | 2000 Isuzu Trooper

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