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Car Forum / Mazda / Mazda Miata / May 2005engin speed
i got a mazda 626 1994 just had another engine put in and for some reason its not running right when i rev the car up the rev counter needle comes down and gose right to the bottom and comes back up and trys to idal and when i tun my steering wheel the rev counter needle gose all over the place and when i turn my lights on the rev counter needle gose to a 1000 where it should be running at 800 to 850 rpm can anybody help me thanks In article <f96ab78cb72ad65d110743cfc5d0e6bb@localhost.talkaboutautos.com>, > i got a mazda 626 1994 just had another engine put in and for some reason > its not running right when i rev the car up the rev counter needle comes > down and gose right to the bottom and comes back up and trys to idal That's called "idle droop." As long as it isn't stalling, you can ignore it. You can probably eliminate it by resetting the idle speed with the ECU (engine computer) disabled according to the factory instructions. I don't know how to do that on a 626, but any 626 shop manual should tell you. > and > when i tun my steering wheel the rev counter needle gose all over the > place and when i turn my lights on the rev counter needle gose to a 1000 > where it should be running at 800 to 850 rpm can anybody help me thanks The ECU raises the idle automatically when it senses an additional load on the alternator, power steering pump, or other accessory. It probably also raises the idle when you switch on the headlights, fan, or A/C. Normal. --- Lanny Chambers '94C, St. Louis http://www.hummingbirds.net/alignment.html > i got a mazda 626 1994 just had another engine put in and for some reason > its not running right when i rev the car up the rev counter needle comes > down and gose right to the bottom and comes back up and trys to idal and > when i tun my steering wheel the rev counter needle gose all over the > place and when i turn my lights on the rev counter needle gose to a 1000 > where it should be running at 800 to 850 rpm can anybody help me thanks Maybe the tach has gone wonky because somebody stole all of the punctuation? ;)  SignatureGrant Edwards grante Yow! Is it FUN to be at a MIDGET? visi.com |
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