Question about 2001 Isuzu Rodeo

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How do i repair a P0102 for a 2001 isuzu rodeo

We have codes 0102, 0154 and 0155

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  • Isuzu Master
  • 21,873 Answers

Code 102 is for a problem with the MAF sensor. The sensor is telling the computer a great deal of air is entering the engine when it is not.
Could be a faulty sensor, or a vac leak, or a wiring problem.
Code 154 and 155 are both problems with the O2 sensor bank two sensor one. This is the sensor in the exhaust pipe on the side with cylinder two. Since you have two codes for the same sensor it could be unplugged or the sensor could have failed.

Posted on Apr 20, 2013

Testimonial: "hello all. Thank you, fixed!!! we changed the OS and cleaned the MAF sensor. All codes cleared and the CEL = out. The car is running very well. Changed the gas filter and in the process of changing plugs now. Isuzu is running very peppy!!!!"

  • klystron59
    klystron59 Apr 20, 2013

    . Thanks for the reply. can u tell me where bank two, sensor one is located? I also suspect vaccum leak, will hav tolook under the hood.

  •  Stephen
    Stephen Apr 20, 2013

    Bank two is the side with cylinder number two. Sensor one is in front of the catalytic converter if there is one in that pipe.

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SOURCE: i need a digram showing me how to change the shocks on my 1999 isuzu rodeo

It is quite easy really, Remove the wheel on the corner you want to change, The back ones have one bolt at the top and one at the bottom, Simply unbolt the old one and fit the new one, The front ones are pretty much the same but they may have 2 bolts at one or both ends, Simply unbolt and fit the new ones, just make sure the replacements are bolted in tightly.

Posted on Mar 06, 2012

ZJLimited
  • 17970 Answers

SOURCE: 2002 isuzu Rodeo P1220 code

Hi there:
Other than a bad connection / chaffed wire etc - which can happen - so be sure all is ok there - then the problem is going to be a faulty TPS ... throttle position sensor / switch..

This isn't unusual to happen / go wrong on these - No amount of re learn procedures will cure a faulty one Im afraid - so its a new one that is needed to cure these issues that you have with this one.

The TPS ( sensor ) is at the pedal on this one.... and its this that Im referring too. This can be checked using diagnostic equipment - using live data - it can be checked to see f its working and when its not etc.

Not all garages would be able to do this depending on what equipment they have and their level of knowledge - but I would suggest it would be a good idea to have it checked out as above to confirm the fault ..

You have the TCU - Throttle control unit - but thats inside and a part of the TPM - Throttle position motor ...on the engine.

Your fault codes though would indicate the TPS - at the pedal.


There is also a common fault on these that causes throttle / power loss... Im not so sure this fits the symptoms you describe but it might be worth a consideration... For this - a reprogram / software update has to be performed by either a Fiat dealer - or some garage that has the equipment to do that ....It might be worth you having a word with the local Fiat dealers to have that side of things done in any case - again - as its a common fault.



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Posted on Aug 17, 2012

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