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Ask sprinkles08 Your Own Question
sprinkles08, ASE Certified Technician
Category: Mazda
Satisfied Customers: 22979
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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My 2000 madza protege LX rpm meter is jumping when i turn it

Customer Question

my 2000 madza protege LX rpm meter is jumping when i turn it on
JA: Are you fixing your Protege yourself? What have you tried so far?
Customer: yea and idk where to start at
JA: Have you checked the battery, particularly the terminal connections? Are they corroded?
Customer: they kinda are not badly. i did think that would effect it
JA: Anything else you want the mechanic to know before I connect you?
Customer: it would turn off by itself after awhile and when i move it from park sometimes
Submitted: 10 months ago.
Category: Mazda
Expert:  david craig replied 10 months ago.

Hi Im David, so when you start the car the rpm gauge jumps a bit?

Expert:  david craig replied 10 months ago.


Expert:  sprinkles08 replied 9 months ago.

Hello and welcome to JustAnswer!

It sounds as if you may have a crank sensor related issue if the problems are related. An erratic crank sensor can cause the tach to be erratic and can also cause a loss of spark.

Have you checked for fault codes?