R50/53 Diagnosing MAP / TMAP sensors
Diagnosing MAP / TMAP sensors
Hey everyone, I just back probed my MAP & TMAP sensors in an effort to diagnose a funky vacuum issue I've been having. What I'm mainly wondering is - What is considered "out of spec"? How off from the OEM spec should a sensor read before replacing? These are the measurements I took vs. Bentley spec.
I have hi lighted the values from my sensors that I feel may be problematic-
Pin1/Pin2/Pin3/Pin4
MAP (Key On, Engine Off)
0.0/NA/4.99/4.06
(Idle)
0.0/NA/5/2.4
TMAP (KOEO)
0.0/1.31/5/1.95
(Idle)
0.0/1.3/5/1.12
Bentley-
MAP (KOEO)
0.0/NA/5/4
(Idle)
0.0/NA/5/1.8
TMAP (KOEO)
0.0/3.9/5/1.90
(Idle)
0.0/1.25/5/0.9
I have hi lighted the values from my sensors that I feel may be problematic-
Pin1/Pin2/Pin3/Pin4
MAP (Key On, Engine Off)
0.0/NA/4.99/4.06
(Idle)
0.0/NA/5/2.4
TMAP (KOEO)
0.0/1.31/5/1.95
(Idle)
0.0/1.3/5/1.12
Bentley-
MAP (KOEO)
0.0/NA/5/4
(Idle)
0.0/NA/5/1.8
TMAP (KOEO)
0.0/3.9/5/1.90
(Idle)
0.0/1.25/5/0.9
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