Question about 2002 Saturn Sl
How many miles is on the odometer?
Does this happen when the engine is cold (during start up)?
A intake manifold leak will progressively get worst when the engine get to operating temperature (195-210F).
Carbon built up (on the underside) and inside the EGR passage tube can reduce performance at low rpm (1200 to 1800 rpm).
Cleaning up EGR + passage tube carbon built up is a dirty and time consuming task.
Please post the odometer reading on reply.
Posted on Sep 10, 2011
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Posted on Jan 02, 2017
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