UK Car Repair Questions? Ask a Mechanic for Answers ASAP
This is a problem most likely from a vacuum leak in the intake manifold or vacuum hoses .
Is the check engine light ON when the engine is running .check the PCV valve most common part for an
issue like yours .
If the check engine light is ON then have the system checked for malfunction codes .
From the code it will show you what your issue is .like you may have a P0171 lean code
which is an indication of a vacuum leak .
So first check all vacuum hoses ,as this is a big leak .
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