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We are a brick and mortar garage - in business since 1977. Long time Mazda specialist from RX7 days through the NA to ND MX5 and many Mazda 3's and Speed3"s.

Currently have a 2011 Speed3 issue that is killing us.

New engine - factory rebuild. Engine starts, runs smoothly for 2 seconds or so and quits. Spray ether into air intake and it runs as long as you spray, then quits when spray stops. Obviously fuel related problem. Changed both fuel pumps and many other things checked and have run out of things to check. Broke down and bribed a dealership Mazda Tech to our shop hoping his software was better than our Snap On, Autel or Auto Enginuity testers we have. He spent 3 hours with our tech and came up blank.

From my quick review (Speed3 posts are days old) this does not appear to be a deep Speed3 technical forum, but I am asking the question on the off chance that someone out there may have experienced this problem.

We are big Mazda fans and do not want the owner of this car to leave our shop with a very bad taste in his/her mouth.

Thanks
Henry Payne
HPMotors - Pelzer SC
www.hpmotors.com
 

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2018 Mazda 3 GT
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Bad gas, clogged cat or bad ECU. Supposedly there are 2 fuel pumps too.. one in tank and one that is cam driven.
CK
 
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