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Discussion Starter #1
FYI re 1164 -

Code 1164 - I just got this on an '01 with 33k miles.
Autozone's scanner said: "fuel air metering"

I noticed Check Engine Light 5 mins after getting an oil change at the Bernardi Honda dealership in Natick, MA ... on a car with no A/C (it easier oil change access). Warranty is still in effect but I'm skeptical that something didn't go wrong during the oil change.

Dealer says:
Problem: "air flow sensor performance problem"
Cure: replace ECM

This car did get an ECM recall replacement some time back.
 

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Discussion Starter #3
After the dealer cleared the code, it did not re-appear at dealership or in my 40-mile drive.

The shop foreman at Bernardi Honda, Natick, MA showed me his data sheets about code 1164.

He had followed instructions to trigger it again:
Run at 1600 rpm for {10?} seconds in 5th gear, then accelerate hard.
He had tried a few times -- SOC bars were pretty low.

So who knows .. it's a big coincidence coming right after oil change. Maybe the switch to Mobil1 changed metrics enough that software got confused.
 

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masscommuter said:
FYI re 1164 -

Code 1164 - I just got this on an '01 with 33k miles.
Autozone's scanner said: "fuel air metering"

I noticed Check Engine Light 5 mins after getting an oil change at the Bernardi Honda dealership in Natick, MA ... on a car with no A/C (it easier oil change access). Warranty is still in effect but I'm skeptical that something didn't go wrong during the oil change.

Dealer says:
Problem: "air flow sensor performance problem"
Cure: replace ECM

This car did get an ECM recall replacement some time back.
I get that code sometimes. The ECM had already been replaced (previous owner). It only comes up after I've disconnected the 12v battery, I clear the code and it doesn't pop back up (unless I do another reset). I bet your dealership disconnected the battery. (Idle learn procedure)
 

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Its true that after a reset the ECM can "glitch" and set a code. However, if the same code keeps recurring there's probably a problem.

P1164 is set when the O2 content range as reported by the primary O2 sensor drifts beyond what the ECM "knows" as reasonable to expect. The list of potential causes for this code is LONG. This is where the freeze frame data can be helpful in diagnosis. But you need _all_ the freeze frame history from several code events to see the tendencies. Its those specifics that should point you in the general direction of where fault lies.

Then you start with replacing the cheapest part and work toward the more expensive. ;)

HTH! :)
 

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Discussion Starter #6
In this case - at Bernardi Honda's oil change - I doubt the 12v battery
had been disconnected because I saw no evidence of any "reset" e.g. in radio station buttons.

But - something happened. It's too much of a coincidence that 1164 came up right after an oil change.
 

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Coincidences happen all the time.

IMO and its a _very_ safe bet that oil (any brand or type made for an engine) has nothing to do with it.

The problem appears in your dealerships poor communication (their choice of words). And the diagnosis of an ECM fault without proper testing (your choice of words or lack thereof applies here ;) ). Not sure which "data" sheet you saw. In almost _all_ of the factory service manual troubleshooting flowcharts for fuel and emissions replace the ECM is the _last_ step. Some people confuse the fact in their minds that since its the most frequently quoted part for replacement that the reverse is true (do it first rather than only when all else fails).

With that said there was a ECM recall for early production Insights. And it did have to do with recurring O2 sensor codes.

See:

2000 Insight with CEL and 02 sensor
http://www.insightcentral.net/forum/vie ... php?t=4123

P1164's aren't exclusive to the Insight so its not a lack of "insight" :p (education). Nor can a customer reasonably expect to be able to educate their repair shop.

IMO you need to find another.

HTH! :)
 
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