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Drew, Super Mazda Tech.
Category: Mazda
Satisfied Customers: 2188
Experience:  19 yrs. experience. Mazda Senior Certified Tech, with Ford, Linc. & Merc. experience. ASE L1 Advanced Certified Master Tech.
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I have e b2200 1989 rebuilt rings and recon head and new

Customer Question

I have e b2200 1989 rebuilt rings and recon head and new refurb carb I have rough idle and surge at around 40 mph
Submitted: 2 years ago.
Category: Mazda
Customer: replied 2 years ago.
I have also replaced the ecu
It idles better with the map sensor un plugged and open hose to intake manifold closing hose causes rough idle
Also no surging with map sensor unplugged
Expert:  Greg replied 2 years ago.
Name is***** goal is to provide you with excellent service – if you feel you have gotten anything less, please reply back,
You said a refurbed carb ,don't you have a fuel injection B2200 .