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Tom, ASE Certified Technician
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Experience:  ASE Certified Master Technician
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engine cuts out at higher rpm going up grades

Resolved Question:

engine cuts out at higher rpm going up grades
Submitted: 5 years ago.
Category: Car
Expert:  Tom replied 5 years ago.
Is the check engine light on?
Customer: replied 5 years ago.
no
Expert:  Tom replied 5 years ago.
Do the dash lights flicker or anything else strange going on?
Customer: replied 5 years ago.
no, just drops rpms to 0 then picks back up, but doesent die
Expert:  Tom replied 5 years ago.
Has any upgrades been done to the car cold air intake ,chip in the ecm etc
Customer: replied 5 years ago.
no,but it does seem to happen at above 3000 feet above sea leval
Expert:  Tom replied 5 years ago.
So it dosent happen at lower levels and it does not actually stall just lose rpms then catches and its fine and no check engine light ever?
Customer: replied 5 years ago.
that is correct
Expert:  Tom replied 5 years ago.
Ok well at the higher altitude the air is thinner and its harder for the motor to breath correctly and the dealer will actually have to update the ecm to adjust the air/fuel ratios so this does not happen make sure when you bring the car in you tell them this only happens at high altitudes they might even have to replace the ecm
Tom, ASE Certified Technician
Category: Car
Satisfied Customers: 25634
Experience: ASE Certified Master Technician
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