[Ryan]

Just heard back from another shop. They say it is the HG. They did a block test. I’m confused as to when I did the block test why it came back negative and why the other shops said it wasn’t the HG. Maybe they and I didn’t have car running long enough to produce the combustion gases?

[Ryan]

Thanks for the reply.

I have a Malfunction Indicator Lamp light on. The manual says it’s related to engines emission control system.

The scans say that I have a bad fuel mixture sensor was bad (error code P0135). I assumed the light was on because of this. The shop told me it wasn’t anything that was catastrophic and I could go a while without replacing it. Should I rethink that?

So you think the expansion tank cap is important? 2 different shops told me that it didn’t matter and couldn’t be related to overheating problems. It’s really possible for air to get in through a full expansion tank?

I read in another post that when you have combustion problems in this Honda the expansion tank cap can pop off under pressure, so I thought it made sense to leave it off until I fixed the problem. Also now, I have too much fluid in expansion tank. The tank doesn’t seem to be contributing to radiator.

[Author]

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