"nybaseball22@gmail.com" <nybaseball22@gmail.com> wrote in
news:4bc6655f-0c82-41b2-ab2b-037e2bd8761d@y5g2000hsf.googlegroups.com:

> Hello All. Just wanted to post something in case anyone has a similar
> problem. Recently, the engine light came on in my 2001 Honda CRV (4
> cylinder, 5 speed manual). I noticed a slow drop in fuel economy,
> from an average of 26.5, slowly down to around 21.5 over the course of
> about 1 month and the engine began to idle harder than normal, with a
> slight jump. I took it to a Honda Dealership and they told me it
> coded for a misfire in cycliner 1.



You had a DTC P0301...


> They said it could be spark plugs,
> coils, or fuel injection. About 2 weeks later, the engine light began
> flashing when I sat at idle for about 30 seconds. I immediately
> called another Honda dealership and took it in. Analysis said it was
> actually a misfire in all 4 cylinders.



You had DTCs P0301, 302, 303 and 304 all at the same time?



> Apparently there was a tech
> bulletin that this model had shown a tendancy to build up carbon on
> the head gaskets and "gunk" in the valves.



You sure that's it? Was the TSB number 03-038?



> This lead to the misfires
> and loss of fuel economy. Honda changed the spark plugs, cleaned and
> adjusted the valves, and performed a top end cleaning of the gaskets.
> Problem solved. Idle was back to normal, gas mileage was back to
> normal. The entire job cost about $250.



Are you sure they didn't in fact replace the head under a goodwill
warranty?

TSB 03-038 has to do with exhaust valves receding into the head. If you
had the issue listed in 03-038, your problem will eventually come back.



--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/