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May 11, 2026 | 08:30 PM

JoshuaLasley

Thread Starter

2nd Gear

Joined: May 2026

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I need help

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.

May 12, 2026 | 12:34 AM

drtyTshrt

Melting Slicks

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From: Jacksonville Florida

May 12, 2026 | 07:31 AM

C5 Diag

Moderator, Tech Contributor

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From: Cape Coral, Florida

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.

May 12, 2026 | 09:16 AM

Martinp

Instructor

Joined: Sep 2022

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From: Aberdeen Washington

Are the fans working and coming on at the correct settings?

May 12, 2026 | 05:04 PM

JoshuaLasley

Thread Starter

2nd Gear

Joined: May 2026

Posts: 2

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Quote:

Originally Posted by Martinp

Are the fans working and coming on at the correct settings?

yes

May 18, 2026 | 08:02 PM

Petcelman

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Perhaps it is another tachometer? Good advice to seek out an electrical shop.

May 19, 2026 | 09:50 AM

Vetteman Jack

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May 30, 2026 | 01:46 PM

Chevy Cust Svc

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Quote:

Originally Posted by JoshuaLasley

Your safety is our top priority, Joshua. We recognize these surging and stalling concerns are certainly not ideal and we'd like the opportunity to connect further in an effort to turn this situation around for you the best we can. To allow us to do so, please visit: https://s.chevy.com/support-requestand fill out the support request form with all pertinent details. This form helps our team gather the right information and ensures your request is routed appropriately.