2001 YRV p0300 & P0314

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Hi all,
First of all, sorry for my bad English, I'm not from the UK.
I'm new in this forum,

I have more than 3 years YRV 2001 model 1.3 engine with 210K.
In the last 2 years there is a check engine lamp with code p0300, p0301, p0302, p0303 and recently p0314 (as pending fault).
I switch sparks plugs but it didn't changed anything.
The vehicle drive pretty good, only when stopping at a traffic light the RPM goes from 300 to 800.
So what could be the issue?

Thanks!

02 SENSORS !!

You need to fit new O2 Sensors = pre and post Cat.
You can get them a lot cheaper from www.sparkplugs.co.uk
Replace them both - That should do it. Smile

2003 Sirion Rally 4. And I love it.
Don't like the new shape Sirion much.Sorry.