Cummins ISB CM550 (1990-94) Fault Code: 221 PID: 108 SPN: 108 FMI: 3 Ambient Air Pressue Sensor Circuit

Circuit Description
The ambient air pressure sensor monitors atmospheric pressure and passes information to the electronic control module (ECM) through the sensor harness.

Component Location
The ambient air pressure sensor is located below the fuel transfer pump.

Shop Talk
Monitor the ambient air pressure reading with a service tool to confirm that the pressure reading matches the actual air pressure. The ambient air pressure sensor is required with 300 horsepower rated engines and specific 275 horsepower rated engines.

Categories Cumminz, DTC TRUCKS, ISB CM550 (1990-94) Tags 1990, 94, CM550, Cummins, FaultCode221, FMI3, ISB, PID108, SPN108

volvo delete files 2023 33,46 GB
Trucks software $300.00
Rated 0 out of 5
Cat Factory Password Generator 1.0 2019 WINDOWS 10
CAT $55.00
Rated 0 out of 5
Meritor WABCO Toolbox 12.12 Software
Trucks software $40.00
Rated 0 out of 5
Diamond Logic Builder DLB 2019 Database 2019
Navistar $50.00
Rated 0 out of 5
Detroit Diagnostic Link (DDDL 8.09) Engineering level 10
Detroit $40.00
Rated 0 out of 5

Volvo Penta EPC 6 Offline VMware [12.2021] VMware
Trucks software $64.00
Rated 0 out of 5
AGCO EDT 2023 Electronic Diagnostic Tool 1.125
AGCO $120.00
Rated 0 out of 5
10 IN 1 FOR CAT SIS Caterpillar 2021 Full Service Dealer INCLUDING CAT 2019 C
CAT $110.00
Rated 0 out of 5
Isuzu E-IDSS Diagnostic Service System 04.2022 ( 1 PC )
ISUZU $126.00
Rated 0 out of 5
Isuzu US-IDSS 2024 Diagnostic
ISUZU $220.00
Rated 0 out of 5
CAT Engine Reprogramming Tool for flash programming C1.8, C2.4, C3.8 & C3.3B + Guide
CAT $50.00
Rated 0 out of 5
Bobcat Software Service Analyzer Version 87.07 ( 1PC )
Bobcat $90.00
Rated 0 out of 5
Diamond Logic Builder DLB 2018
Navistar $40.00
Rated 0 out of 5
International Truck ISIS – Oncommand Service Information Q4.2020 [04.2020]
Navistar $85.00
Rated 0 out of 5
Isuzu IDSS 2021 Diagnostic Software
ISUZU $100.00
Rated 0 out of 5
Cat Factory Password Generator 1.0 2019 WINDOWS 10
CAT $55.00
Rated 0 out of 5
NEXIQ eTechnician 2.1.7657.26963 + Patch 2020
Allison $60.00
Rated 0 out of 5
Detroit Diesel DDDL CutOut Calculator v0.1+Tutorials
Detroit $15.00
Rated 0 out of 5
MANUAL SERVICE DEUTZ AGROTRON 108-118-128
Trucks software $38.00
Rated 0 out of 5
Bobcat Service Analyzer 92.10 2024
Bobcat $100.00
Rated 0 out of 5

SERVICE MANUAL BOBCAT 316 SMS
BOBCAT $45.00
Rated 0 out of 5
SERVICE MANUAL MACK V-MAC IV 2007 EMISSIONS
MACK $27.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 542b sms
BOBCAT $45.00
Rated 0 out of 5
SERVICE MANUAL BENDIX EC-60
BENDIX $17.00
Rated 0 out of 5
SERVICE MANUAL Carrie TEMPRA 440S SERIES
CARRIE $20.00
Rated 0 out of 5
SERVICE MANUAL Fuso FK & FM Series 1992-1995
FUSO $24.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 600, 600D, 610, 611
BOBCAT $65.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 310 – 313 SMS
BOBCAT $45.00
Rated 0 out of 5
SERVICE MANUAL BOBCAT 980 sms
BOBCAT $32.00
Rated 0 out of 5
SERVICE MANUAL Eaton Fuller – Autoshift 16 Service Manual (T20891)
EATON $27.00
Rated 0 out of 5