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Why is isuzu dmax 2007 acceleration poor when check engine lights on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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MNfisherman
  • 11896 Answers

SOURCE: 2007 toyota corolla stop accelerating, pushing gas

throttle position sensor needs to be changed

Posted on Jul 10, 2009

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stevenhurc
  • 450 Answers

SOURCE: hi, i am looking for a isuzu dmax (holden rodeo)

this was from 2007 Australia, you can purchase CD from dealers spare parts outlets for workshop manual all light commercial vehicles are covered, infomedia do CD
LCRV SMI Version 2, part no: 92148175 ___ $A320.00
they still do this here

Posted on Jul 28, 2009

Testimonial: "thank you very much"

ginko
  • 19396 Answers

SOURCE: 2001 Isuzu Rodeo 54248 miles

Hi.

If problem is only on startup and when idleing, then the problem is likely IAC system, also a vacuum leak will cause the same problem.

If problem is not only on startup and idle, but also when driving, then MAP sensor and EGR system must be checked.

Check also accelerator cable state and setting.


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The first thing to do is pulling out the OBDII fault codes stored in the ECM. This is done connecting a code reader to the ECM diagnostic port. The job can be done for a small fee at any local garage, and it is done for free at AutoZone.

The codes will help locating the problem.

About possible faults:

Problem is stalling when idling and during startup, but engine idling fast all the time. Problem not starting at times it is due to the fact that the wrong mixture is being sprayed, this is probably causing flooding and misfire. Since the CEL is on, one of the codes returned is probably misfire.

Check accelerator.

Check IAC system. This is composed by a valve and a solenoid that check and control amount of extra air air when the engine is idling. The IAC valve is located on top of the throttle body.

Check the vacuum system and try cranking with gas tank cap off. Vacuum system is tested using an hand tool gauge onvacuum lines while spraying card cleaner on the hoses (or heating them with a torch). If there is a leak, pressure will go up. A big leak will also do hissing noise, and will often result in a lean code when doing an OBD code scanning.

This kind of symptoms can also be caused by weak wiring to MAP/MAF sensor (MAP in this engine).

If the car also drives very rough and is revving up and down in a weird way, check the EGR valve.

As first thing I would do a code scanning. This car is OBDII. The scan can be done for free at the nearest Autozone, or for a small fee at any garage.

If you get any OBDII code from the scan, report it here, so that we can individuate the possible reason for the problem.

If you repute my solution helpful, then please take some times to accept the solution. Providing good repair tips requires time and skills, and your feedback is important for us.

Regards.

Ginko.

Posted on Oct 26, 2010

  • 242 Answers

SOURCE: 2007 tundra with 5.7v8 lack of

The key of your problem is to know what is the check engine light, there is several codes that send the computer to safe mode diminishing engine output, vsc and track off come with the check engine light.

Posted on Jan 06, 2011

  • 430 Answers

SOURCE: my isuzu dmax 4x4 manual

If the tech 2 device is indicating the code for 4wd module then it has to be replaced.Get the module and its connections checked before going to replace the module.If the module connections are getting short or loose then getting the connections repaired solves the problem.But most probably when it shows module problem,the module has to be replaced.The actual testing procedure is as follows:--- If you have an ODBII code reader, you can check if there are any codes stored in the ECU. There is also a diagnostics mode you can go into for transfer case issues:

1. Warm up the engine. Turn it off.
2. Turn the ignition switch on and off at least twice, then turn the ignition switch to off.
3. Shift into park.
4. Turn the 4WD selector to Auto.
5. Turn the ignition switch to on. Do not start engine.
6. Is the 4WD warning lamp on? Continue if no.
7. Shift into reverse.
8. Turn the 4WD selector to 2WD, Auto, 2WD.
9. Shift into drive.
10. Turn the 4WD selector to 4H, Auto, 4H.
11. Shift into neutral.
12. Turn the 4WD selector to Auto.
13. Shift into park.
14. The 4WD indicator light will come on for 2.5 seconds, then go out. It will then flash a series of times to represent a one or two digit code, with half-second delays within a number and 1 second delay between numbers. e.g. to represent the code 23, it will flash twice with 0.5 seconds between flashes, wait a second, then flash three times with 0.5 seconds between them.Get it rechecked again by disconnecting the 4wd module and reconnecting again,. --------------------Thank you.

Posted on Jan 24, 2011

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Hi, i am looking for a isuzu dmax (holden rodeo) 2004 shop manual and parts catalog preferably on CD; engine is a 4HJ1 (orlando at orlando.mah@gmail.com)


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they still do this here

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