Auto Repair Services Diagnostic Testing Used Cars 
RepairSmith
OCTOBER 12, 2023
Moreover, since the ECM can’t perform proper diagnostic tests due to low voltage, it may trigger the Check Engine Light. That’s why it’s best to look at certified pre-owned inventory and pre-owned specials when buying used cars. Certified pre-owned inventory is often repaired to recreate a “like new” condition.
RepairSmith
OCTOBER 19, 2023
Next, we’ll see how much you may have to spend as a diagnostic charge. A Ram Check Engine Light diagnostic test, whether for a Ram 2500, 1500, or any other Ram chassis cab, can run between $88 and $209, depending on your truck’s model, manufacturing year, and labor charges. How Much Does a Ram Check Engine Light Diagnosis Cost?
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