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TB problem for WIRA


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#1
medang72

Posted 05 June 2007 - 11:14 AM

medang72

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Almost 2 month my Wira 1.3GLi 2002 in the garage, just warming up the
engine every mourning. Reason is Engine Indicator lamp always on.
It happen last year on Nov 2006 and this Engine lamp start on/flashing
while driving and sometimes my wira going off and jerking.

I stay at kajang,went to workshop at Bangi and do cleaning/tuning Throttle
body using PDT. After a week it start doing again, nearly 6 times to that
workshop until they surrender but payment must paid almost RM300.00. Lasty
I bought a new TB (RM350) for my Wira. It ok within 2 month only, and its
happen again. I went to Proton Svcs, cleaning/tuning also 4-5 times, and
one day I put there for a whole day for checking the problem and find the
solution, but its happen again, mechanic surrended and said must use a new
TB costing RM500.00. I refused cause my TB is only 5 month olds.

Now I'm using my motobike to go to work. Last week, I talked to mechanic
that the problem of my Wira is the sensor below the exhaust pipe and not
the TB and ECU. Is it true? Need some advice from Autochild expert...

Really2 need your expertise...TQ


HAMDAN





#2
gfwong

Posted 09 June 2007 - 09:45 PM

gfwong

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It could be a sensor just behind ur speedometer. I've experienced ur
problem b4 and after changing that no more problem. It's not expensive.
Only about RM50. You can give it a try...

#3
RM1ONE

Posted 15 June 2007 - 05:50 PM

RM1ONE

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The check engine light can mean a lot of things. I am sorry to hear that
you had to spent lots of time and $ and still not solving the issue.

The easiest way is to go to a mech that has a electronic diagnostic
computer to check what is the fault. It could be EGR valve (if it has
one), O2 sensor (the one mentioned below the exhaust), and a list of other
sensors that the car`s computer will check each time the car is started.
Surely, those mechs that u sent to don`t know anything about the
electronics of the car and assumed the problem and fixing the wrong things.
Most of the time it is the O2 sensor not working. It can be easily
checked with a voltmeter. If u google search on O2 sensor, they can tell u
how to diagnose a O2 sensor.

Where r u located? If in Penang, I can tell u where to go for a diagnostic
check-up. Worse case, go back to EON service as they have the right set of
tools, but not sure if they have the mechs with the right skills and mindset.

Anyway, try this method before doing anything else. Either look for the
ECU or EFI fuse and remove it for 2 minutes OR remove the battery
(negative) terminal for 2 minutes and re-attach it back. This will reset
the ECU and all the faulty codes in the memory. If it is a past fault
which has been fixed by the TB fix, then it should go away, else if it
still comes on, then the problem is elsewhere.

#4
burn1892

Posted 16 July 2014 - 08:30 AM

burn1892

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QUOTE (RM1ONE @ Jun 15 2007, 05:50 PM) <{POST_SNAPBACK}>
The check engine light can mean a lot of things. I am sorry to hear that
you had to spent lots of time and $ and still not solving the issue.

The easiest way is to go to a mech that has a electronic diagnostic
computer to check what is the fault. It could be EGR valve (if it has
one), O2 sensor (the one mentioned below the exhaust), and a list of other
sensors that the car`s computer will check each time the car is started.
Surely, those mechs that u sent to don`t know anything about the
electronics of the car and assumed the problem and fixing the wrong things.
Most of the time it is the O2 sensor not working. It can be easily
checked with a voltmeter. If u google search on O2 sensor, they can tell u
how to diagnose a O2 sensor.

Where r u located? If in Penang, I can tell u where to go for a diagnostic
check-up. Worse case, go back to EON service as they have the right set of
tools, but not sure if they have the mechs with the right skills and mindset.

Anyway, try this method before doing anything else. Either look for the
ECU or EFI fuse and remove it for 2 minutes OR remove the battery
(negative) terminal for 2 minutes and re-attach it back. This will reset
the ECU and all the faulty codes in the memory. If it is a past fault
which has been fixed by the TB fix, then it should go away, else if it
still comes on, then the problem is elsewhere.


Hi I'm sorry to wake up this old thread. I'm frm penang & I own a wira 1.6 xli '97. My issue is with the timing. On neutral mode rpm goes up as high as 2.5k-3k, and down as low as 0.5k. Could you please guide me wheres the place/shop to have it checked & diagnosed? Thanks a lot.