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Old May 11, 2026 | 08:30 PM
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I need help with a problem I’m having my car likes to surge and the coolant temp gauge goes crazy up and down at the same time the rpms will go up and down aswell the car will also stall eventually and it’s hard to start after has anyone had a problem like this
Side note this mostly happens when it’s hot

Last edited by JoshuaLasley; May 12, 2026 at 08:29 AM.
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Old May 12, 2026 | 12:34 AM
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Old May 12, 2026 | 07:31 AM
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Take your car to an automotive electrical repair shop...something like this can't be solved over the internet especially if you have no electrical or diagnostic experience.

Last edited by Vetteman Jack; May 19, 2026 at 09:50 AM.
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Old May 12, 2026 | 09:16 AM
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Are the fans working and coming on at the correct settings?
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Old May 12, 2026 | 05:04 PM
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Originally Posted by Martinp
Are the fans working and coming on at the correct settings?
yes
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Old May 18, 2026 | 08:02 PM
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Perhaps it is another tachometer? Good advice to seek out an electrical shop.
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Old May 19, 2026 | 09:50 AM
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Moved to C5 Tech.
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