Erratic idle, engine light and huge amount of lag on 2010 mn

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Erratic idle, engine light and huge amount of lag on 2010 mn

Postby Lachyglxr on Sat May 13, 2017 9:56 pm

Hey guys, I'm new to the page so if this belongs on another thread I apologise!!
Iv just bought a second hand mn 2010 glx-r AUTO, and for the first week it was great.
Then however, I began to notice it would dip a fair bit in revs when it was idling both on start up and when the engine was warm after an hour or two of driving.
I took it to the mechanic and he said egr was blocked which I knew was common in these vehicles, so he cleaned out the entire system and then put a blocking plate over it, however this only seemed to fix the problem for a few days.
Since then, my check engine light has come on and I am only getting about 450-500 ks out of a full tank.
Is there some thing else that could be causing this almost surging power in idle or am I over reacting and that's just how the autos are.
I have installed an adventure kings throttle controller and while that works quite well, the check engine light didn't come on until about 2 days after I installed it.

Thanks for any help, at this point I am desperate for any help I can get!
Cheers
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Re: Erratic idle, engine light and huge amount of lag on 201

Postby BillMcQuade on Sun May 14, 2017 6:05 am

Did the mechanic remove and clean the inlet manifold and MAP sensor? If not, this needs to be done.

The blanking plate is also a waste of time, and can cause its own problems. The EGR should be closed using one of the electronic methods.
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