Walker Products 225-1100 manifold absolute pressure sensor for the 2004-2005 Chevrolet Impala V6 3.8L and other vehicles measures pressure inside the intake manifold. The engine control module uses that reading to calculate engine load and adjust fuel injection and ignition timing.
A check engine light, a rough idle or poor fuel economy can come from a failing manifold absolute pressure sensor, but other faults produce those signs too. Before replacing it, look over the connector and wiring with the engine off and cool for corrosion, cracks or a loose fit.
The 2004-2005 Chevrolet Impala V6 3.8L, the 2006-2009 Cadillac STS V8 4.4L and the 2006-2009 Cadillac XLR V8 4.4L all take this sensor, and so do other vehicles. If your car is not named here, look it up in the "Vehicles it fits" section of this page. This listing is one sensor, and the 2004-2005 Chevrolet Impala V6 3.8L takes one.
Fit and size
Build and materials
Interchange: 213-1631
5S1187 · EC1777 · EC1794 · HTS1112 · 12580698 · 12615136 · 19418810 · 9350899 · MA0031 · AS195 · AS314 · SU1477
This part cross-references / interchanges with the following part numbers:
Does the Walker Products 225-1100 fit the 2004-2005 Chevrolet Impala V6 3.8L?
Yes. Walker Products 225-1100 fits the 2004-2005 Chevrolet Impala V6 3.8L, which takes one sensor. Other fitting vehicles are in the "Vehicles it fits" section.
Is this manifold absolute pressure sensor the right one for the 2006-2009 Cadillac XLR V8 4.4L?
Yes. Walker Products 225-1100 fits the 2006-2009 Cadillac XLR V8 4.4L, and the car takes one sensor.
What kind of connector does this manifold absolute pressure sensor have?
It has a rectangular female connector with three male blade terminals.
What signs can point to a worn manifold absolute pressure sensor?
A check engine light, rough idle or poor fuel economy can be signs, though other faults cause them too. A shop can test the sensor's signal with the engine running.
Does 213-1631 interchange with this Walker manifold absolute pressure sensor?
Yes. 213-1631 is one of the numbers Walker Products 225-1100 replaces, along with 12580698 and EC1777.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
