I just replaced on my 1995 es300 (160k) the ICV with a new factory replacement ($200), cleaned the throttle body, MAS and the EGR valve body and checked it to hold a vacuum, new air cleaner to, all about 30 days ago. Just last night Wife and I went out after the car had been sitting for 1 1/2 hours, she started it and the rough idle and die happened. I came in the garage and she tried it again and as it started I herd a little "backfire" sound under the hood and after a throttle gun it idled. We drove it 1.5 miles and shopped for 20min started again with the rough idle but then idled fine after a moment.....Arrrrrg!!!!!
What next do I check or where do I go from here, this is a head scratcher..
Thanks in advance!
Idle Control Valve, Mas And Egr! Now What?
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