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1990 mazda b2200 bouncing tach needle

   
Old Feb 4, 2022 | 12:29 PM
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s45607e's Avatar
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From: VA
Default 1990 mazda b2200 bouncing tach needle
I have a bouncing tach /rpm gauge on my 1990 B2200 while idling. I've changed wires and plugs, ignition coil. It idles ok but when I put it in drive it shuts down. Any suggestions?
 
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Old Feb 5, 2022 | 07:22 AM
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Cusser's Avatar
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Is yours an automatic? If so, check vacuum line from intake manifold to the transmission, as well as your other vacuum lines.
 
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