Engine Vacuum Hose to MAP Sensor May Crack on Pontiac Grand Prix

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

The engine vacuum hose to the MAP sensor may crack resulting in a vacuum leak causing the engine to run rough and/or stall.

3 people reported this problem

0 comments

Schedule Repair

Pontiac Grand Prix vehicles with this problem

2 model years affected

1991 Pontiac Grand Prix

1990 Pontiac Grand Prix

1991 Pontiac Grand Prix

1990 Pontiac Grand Prix

Search for another problem

RepairPal ™Car Genius

Ask our experts about your Pontiac.

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.

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts

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

Engine Vacuum Hose to MAP Sensor May Crack on Pontiac Grand Prix

Problem overview

Pontiac Grand Prix vehicles with this problem

Need a diagnosis? Trust our Pontiac experts.

Search for another problem

Ask our experts about your Pontiac.

Need a diagnosis? Trust our Pontiac experts.

Tuffy Tire & Auto Service Center - Grandview

Excite Auto Repair & Towing

All In Auto Service

Tuffy Tire & Auto Service - Grove City