ThunderMax Install
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Tourer
Joined: Aug 2006
Posts: 302
Likes: 16
From: Cedar Rapids, Iowa
ThunderMax Install
Does anyone know, I am looking at installing a ThunderMax Autotune. From what I understand, the ThunderMax uses a 5 wire O2 sensor that will screw into the stock O2 sensor. From what I have been told, if the O2 sensor goes bad, the replacement O2 can be picked at a local auto parts store. I also understand the "thunderMax"REPLACES the stock ECM, is that correct? If so, and (I have an 07 Ultra Classic with the security system) will the security system still work? I thought the security module was "married" to the ECM? Does anyone know the answer to this? If so, what can one do to keep the security system and still go with the ThunderMax? Does anyone have this with the "new" security system???
Bob
Bob
Elite HDF Member
Joined: Apr 2005
Posts: 3,542
Likes: 2
From: Oahu, Hawaii
RE: ThunderMax Install
From what I understand, the ThunderMax uses a 5 wire O2 sensor that will screw into the stock O2 sensor.
Different sensors are shipped with the ThunderMax with Autotune unit
From what I have been told, if the O2 sensor goes bad, the replacement O2 can be picked at a local auto parts store.
New sensors are wideband and stock sensors are narrowband. Cannot be switched and work correctly
I also understand the "thunderMax"REPLACES the stock ECM, is that correct?
Yes it does
If so, and (I have an 07 Ultra Classic with the security system) will the security system still work?
Yes it will
I thought the security module was "married" to the ECM?
It is but they allowed the ThunderMax to be compatible with the security system
Different sensors are shipped with the ThunderMax with Autotune unit
From what I have been told, if the O2 sensor goes bad, the replacement O2 can be picked at a local auto parts store.
New sensors are wideband and stock sensors are narrowband. Cannot be switched and work correctly
I also understand the "thunderMax"REPLACES the stock ECM, is that correct?
Yes it does
If so, and (I have an 07 Ultra Classic with the security system) will the security system still work?
Yes it will
I thought the security module was "married" to the ECM?
It is but they allowed the ThunderMax to be compatible with the security system
Advanced
Joined: Jan 2006
Posts: 76
Likes: 0
RE: ThunderMax Install
From what I have been told, if the O2 sensor goes bad, the replacement O2 can be picked at a local auto parts store.
New sensors are wideband and stock sensors are narrowband. Cannot be switched and work correctly
I think what you want to know is that if an O2 sensor goes bad can you walk into say a NAPA Auto Parts store and get a replacement. My understanding is that yes you can. What I do not know is what the equivalent say BOSH O2 sensor PN is. That may be a good one to know.
My understanding also is that the sensors are good for 50,000 or more. The big thing is to not use Leaded fuels or Octane boosters. These will kill the O2 sensors fast. If asensor goes bad, the TM maintains its last known"learned map" and runs on that.
Zippers does sell replacement O2 sensors also. I have thought about ordering one and carrying it with me but then when I really think about it I always ask myself why?? If it uses the last learned map then there should be not harm in running around that way until I can replace the bad sensor. Could not be any worse that running it around as a stock leaned out to meet EPA standards engine.
New sensors are wideband and stock sensors are narrowband. Cannot be switched and work correctly
I think what you want to know is that if an O2 sensor goes bad can you walk into say a NAPA Auto Parts store and get a replacement. My understanding is that yes you can. What I do not know is what the equivalent say BOSH O2 sensor PN is. That may be a good one to know.
My understanding also is that the sensors are good for 50,000 or more. The big thing is to not use Leaded fuels or Octane boosters. These will kill the O2 sensors fast. If asensor goes bad, the TM maintains its last known"learned map" and runs on that.
Zippers does sell replacement O2 sensors also. I have thought about ordering one and carrying it with me but then when I really think about it I always ask myself why?? If it uses the last learned map then there should be not harm in running around that way until I can replace the bad sensor. Could not be any worse that running it around as a stock leaned out to meet EPA standards engine.
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2007, bad, good, harley, harleydavidson, install, installing, o2, oxygen, problems, replacement, rinehart, sensor, sensors, thundermax, ultra
