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|17th November 2007, 11:48||#91|
Join Date: Aug 2005
Thanked: 4 Times
this issue was in my esteem to its normally with all mpfi cars actually i guess they are to be started and kept on idol for some time so that the engine can reach the temp desired if we just start the car and drive it instintly the engine does rev up from a normal idealing to high idealing
this happens with my wagonr to when i just start thecar switch on the ac and move without letting it heat up
but i found a way to rectify it as well once the cars heated up just switch if off completely and again start the car the idealing is back to normal
|21st May 2009, 01:38||#92|
The radiator has been flushed/cleaned and the thermostat valve was found to be stuck. I hope this has rectified the overheating issue. The timing was advanced, so retarded it and the knocking has gone completely.
However, I don't remember, but I had posted in some other thread maybe that I was facing issues with the car missing / jerking. The RPM fluctuates when idle, sometimes even goes below 500 and seems like the car will stall but it doesn't. (I'll try to find the post).
I've been told that the IAC Value has gone bust!
Another OHC's throttle bpdy was fitted to test and all the problems vanished. My car's TB and IAC have been cleaned and refitted to test, and the problem comes back.
1. What is the price of an IAC value. (around 8k I heard!!) I've believe it's hard to procure and that I might have to purchase a new TB. What will these cost?
2. Is it possible that because of a large air filter, the ECU couldn't manage the high volume of air being fed, and IAC was under pressure to work harder and could have gone bust?
|21st May 2009, 13:38||#93|
Join Date: Feb 2004
Thanked: 62,898 Times
|21st May 2009, 14:46||#94|
GTO - I read your thread, very informative. The symptoms are not what you faced. I've been through that before, where the throttle body was cleaned and the constant high revving (700 RPM - 1500 RPM) was rectified.
This time, the throttle does not fluctuate within a higher range but remains normal (about 700 RPM) and keeps falling down constantly. Combined with a lot of missing / misfiring which feels like your car ignition was switched off and you are trying to accelerate to speed up. Totally choked!
Happens more with the A/C on. The throttle was cleaned but the problem remains. The diagnosis for a faulty IAC was ruled out after the TB of another OHC was fitted and everything became normal - viz a viz missing/misfiring and RPM dying out.
Is there anything else that I can check/do to rule out all other possibilities?
****GTO - Can you please merge this query of mine in your other thread.
|3rd June 2009, 18:11||#96|
OHC in the workshop since 15 days
Requesting all to kindly help me with the IAC (Idle Speed Controller) Valve.
I have tried Kashmere Gate and Honda A.S.S. - Both of which do not have the sensor. Honda states replacement of the full TB, since the IAC is not sold separate. Sadly enough, Pearl Honda in Gurgaon quoted 22.5k for the TB and Prime Honda quote 15k for the same. How is this possible?
Also, second hand IAC is ok too, can anyone help in sourcing this for me in? I heard Mayapuri and Meerut are options, but how can I be sure that these will work once I've bought them?
A lot of spare part shops are either asking for a sample (they still won't be able to source it I know) and some people with good sources are asking for the part number. Can anyone help with the part number for the IAC Valve for the OHC?
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