Check Engine Light and Code P1416: Chevrolet S10 Muffler & Exhaust

Problem overview

The 1998-2002 Chevrolet S10 has a known issue with the air pump check valve which causes illumination of the check engine light. There are no notable symptoms, but the vehicle will not pass state inspection or smog testing.

When the valve fails, it sticks closed, and the computer sets the code P1416. Replacement of the check valve is the only fix, as the valve is not serviceable.

This page can provide more information about the air pump check valve.

5 people reported this problem

0 comments

Schedule Repair

Chevrolet S10 vehicles with this problem

5 model years affected

Search for another problem

RepairPal ™Car Genius

Ask our experts about your Chevrolet.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

Exceptional warranty

Shops offer at least a 12-month or 12,000-mile warranty.

Satisfied customers

We ensure high satisfaction through verified customer reviews.

Transparent pricing

You'll get a Fair Price Guarantee on all RepairPal estimates.

Millions trust us for auto repair — RepairPal Certified^® locations must pass a rigorous approval process to ensure quality, customer satisfaction, and fair pricing.

Find a Repair Location

Check Engine Light and Code P1416 on Chevrolet S10

Problem overview

Chevrolet S10 vehicles with this problem

Need a diagnosis? Trust our Chevrolet experts.

Search for another problem

Ask our experts about your Chevrolet.