Question about 2003 Isuzu Ascender

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My 2003 isuzu ascender when coming to a stop (idle)or at a stop, revs or the engine just cuts off. When restarting the engine light comes on and seems to run. Most of the time it happens is 5 to 10 minutes into the drive. This seems to occur more frequently after I got some bad gas months ago. The car always starts back up. Sometimes you can smell gas when starting.What would cause this to happen? PS I have looked online and it states a variety of things from and o2 senor, to IAC, to an FAULTY EGR.

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  • Isuzu Master
  • 1,121 Answers

The I6 engine does not have an EGR valve. Clean your throttle body (remove it) with fuses #10 and #28 disconnected. Report back.

Posted on May 24, 2017

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 375 Answers

SOURCE: Isuzu Ascender Fuel Filter

all you have to do is follow the fuel line from the fuel tank to find it. most likely it is at the rear of the engine and that is why it is hard to spot.

Posted on May 18, 2008

volvo2103
  • 122 Answers

SOURCE: Fuel Gauge reads empty, but tank IS full

the float in your gas tank seems to have water in it....water is heavier than gas, that's why gas floats on top of water....try putting something like HEAT in it to dry up the water in your tank....

Posted on Feb 03, 2009

  • 1 Answer

SOURCE: 98 Isuzu Trooper stalls on cold start, idle issues..

I had the same issue on my 99 Trooper.

It would usually start when completely cold, but idle around 2k RPM.
It would drive fine. But if I shut it down, ran into a store, and came back out, it would start but immediately idle.
Had to ride the gas a little to get it into gear.
The Check Engine light has been going on and off for 6 months or so.

I took this to my local trusted repair shop (no Isuzu dealers within 200 miles).
The diagnosed the light, and found that the Intake Gaskets were bad or leaking.
The idling problem was related to the car not being able to control the amount of air coming in.

They replaced the Intake gaskets by the next day, and I haven't had a problem since. And no more check engine light, which has been on half a year.

Here's some details from my bill:
(1) Intake Gasket set $107.95
Misc materials $21.00
2.1 hours of Labor

The total cost to me was $345.00, and I definately don't feel gipped.

Posted on Mar 06, 2009

  • 1 Answer

SOURCE: Humming noise 2005 Isuzu Ascender

2005 impala trans hits hard after a while or driving faster speeds i turn off the engine for a few minutes restart engine and he changes fine

Posted on May 11, 2009

  • 36 Answers

SOURCE: 04 isuzu ascender leaking hot water passenger side

if it smells sweet then its the heater core

Posted on Jul 12, 2009

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1 Answer

My isuzu kb 300 lx tdi cuts off engine while idling. It also revs itself at 1200 revs/min when engine check light comes ON.


no year?\
no country.
no joy.
no engine, or is 300 means 3liter?
we dont have KBs in USA> this is a usa forum. so...
so the operators guide says.
CEL on get service.
or if handly DIY guy, SCAN IT yet? that is what the lamp means.
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My isuzu kb 300 lx tdi year 2006 engine cuts off as if no fuel is supplied. Once engine check light comes ON it revs itself at 1200 revs/min


why double post
all added year.
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Apr 24, 2015 | Isuzu Cars & Trucks

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Holden rodeo 2003, wont rev over 3000rpm


run a scanner on the system to determine codes to diagnos problem

Apr 13, 2014 | 2003 Isuzu Rodeo

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My 03 ascender has an acceleration issue it does it every now and then usually once I go from a complete stop sounds like it wants to cut off.


This sounds like the Idle Air Control Valve. This is located on the throttle body, and it controls idle speed and the fuel/air ratio when the accelerator is disengaged. Another problem could be loss of fuel; try changing the fuel filter and having your fuel pump tested for proper pressure. If that's not the case, try checking your Fuel Pressure Regulator. There are a number of things you can do, but since you don't seem to have a Service Engine Soon Light, it's difficult to diagnose the problem.

Nov 05, 2013 | 2003 Isuzu Ascender

1 Answer

Where does the crankshaft position sensoe go on an 05 Isuzu Ascender???


What engine? V6 or V8?
The Ascender is the same as a Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, and Saab 9-7X. Look on the Chevy forums for where/how to change this. It should like like this - maybe:


10_1_2012_9_38_30_pm.jpg

GL,
Td

Oct 01, 2012 | 2005 Isuzu Ascender

1 Answer

Electrical warning light comes on when I stop and the engine revs drop to nil then up and down, sometimes cuts out,if i rev the engine a c ouple of times the warning light goes off and the engine idles ok.


ask a, local mechanic to have a look ,i suspect the idle motor but it could be the throttle sosition sensor under the dash ,its a renault so its impossible to read any diagnostic codes unless its an american market vehicle

Jan 19, 2011 | 2003 Renault 181

2 Answers

My isuzu is 1996 bighorn . problem is check engine light come on engine stopped . how to read DTC .


Not sure about DTC but Diesel Bighorns have a real problem with cooking their alternators which present with similar symptoms to what you have described.
Hope this helps.

Apr 14, 2010 | 1995 Isuzu Rodeo

1 Answer

Engine goes off at stops


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Aug 04, 2009 | 1999 Isuzu Rodeo

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Isuzu Ascender warning light ! comes on and a bell rings


Replace you Gas Cap and see if it will not stop this Problem. If the Seal on the Gas Cap is Bad it will allow air into the Tank and will cause this Problem. Please Rate My Response! Thanks!

Jan 31, 2009 | 2004 Isuzu Ascender

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