it is obliquely related.
but that is wrong, you didnt look at the SUZ codes,
here is the correct error
p1408
MDP Sensor Circuit Malfunction
manifold differential pressure.
i believe this sensor is used only to check the operation of the EGR.
It is not used for EFI fuel calcs. for sure.
however it would have to be unplugged to fail. they are rugged. few fail.
there can be an air leak into the induction that can cause this failure .
low vacuum, all the time.
make sure connector is clean and didnt get dropped off or smashed.
i will try to read your low power posts.
but if you have low power , id trouble shot that first.
you maf, ect , iat, and TPS rule the roost.
this is a 96 , rent a full scan tool and post the full print out hot at 2500 rpm.
not a code reader , they are mostly useless, (AZ does it free, so you dont need dtc code read tool)
you can rent a full scan tool and they are very powerful.
it will report all sensor data LIVE ! including the MDP sensor.
anything that can disturb the air flowing in to the induction, might cause this sensor to read wrong.
it could be the sensor or its connections.
the reading from the MDP is way out of bounds,is what it is saying.
good day, and cheers
Last edited by jtgh : 07-11-2008 at 06:46 PM.
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