NHTSA ID Number: 10130979
Manufacturer Communication Number: IK1201222
TSB/Document Date: 2018-04-02
Summary
Misfire Diagnostics
IK1201222 MaxxForce 7 Misfire Diagnostics
Page 1 of 7
Countries:
CANADA, UNITED STATES, MEXICO, PUERTO
RICO
Document ID: IK1201222
Availability:
ISIS
Revision:
0
Major System:
ENGINES
Created:
10/8/2014
Current
Language:
English
Last
Modified:
10/13/2014
Author:
Aaron
Mimbs
Other Languages: NONE
Viewed:
529
Less Info
Coding Information
Hide Details
Copy Link
Copy Relative Link
Bookmark
Add to Favorites
Provide Feedback
View My Bookmarks
Helpful
Not Helpful
3
1
Title : MaxxForce 7 Misfire Diagnostics
Applies To : All MaxxForce 7
CHANGE LOG
2014/10/10 Initial Article Release
DESCRIPTION
Due to the lack of misfire diagnostics in the Manual, this document will guide the user through misfire diagnostics on the MaxxForce 7.
SYMPTOMS
Diagnostic Trouble Codes:
DTC/Light
NONE
Description
Customer Observations or Concerns:
•
•
•
•
Engine Idles Rough
Popping through Intake
Oil Above FULL
Distinct Engine "Thuds" Corresponding with Engine Speed
SPECIAL TOOL(s) / SOFTWARE
Tool Description
Cylinder Performance Analyzer
ServiceMaxx
Engine Blow-by Orifice Tool
Oil Fill Tube Orifice Adapter
Pressure Test Kit or Slack Tube Manometer
Standard Plug
Fuel Injector Electrical Connector Release Tool
Kit, Fuel System Cap
Plugs, High Pressure Pump-Rail
Flex Hone
Tool Number
1299901
Comments
Instructions
ZTSE4146A
ZTSE4284
ZTSE4409 or ZTSE2217A
Obtained Locally
ZTSE4820
ZTSE4710
ZTSE4861
ZTSE4349
Tools Resource Center
SERVICE PARTS INFORMATION
Kit Description
KIT INJECTOR
HEAD ASSY CYL W/PLUGS & SLEEVE
PLATE ASSEMBLY DUAL FULCRUM
TUBE ASSY FUEL RAIL TO INJECTOR
Part Number
1899239C92
1882916C92
1880498C91
1886547C1
Quantity Required Notes
As Required
Includes Tube Assembly
As Required
Complete Cylinder Head
As Required
Rocker Arm Assembly (Exh & Int)
As Required
Injector to Rail Jumper Tube
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlI...
11/3/2014
IK1201222 MaxxForce 7 Misfire Diagnostics
CAM ASM, FOLLOWER & GUIDE
ROD ASM, PUSH
PISTON ASSEMBLY
KIT, TURBO MOUNTING
1835139C93
1873916C2
1883516C91
18974455C93
As Required
As Required
As Required
As Required
Page 2 of 7
Lifter and Lifter Guide
Push Tube
Complete Piston Assembly
Turbo Seals & Oil Supply Tube
DIAGNOSTIC STEPS
Step
1
Step
2
Action
Decision
DIAGNOSTIC:
Yes. Step 2
Is the ECM Calibration UptoDate?
No. Update Calibration; Step 2
Action
Decision
DIAGNOSTIC:
Yes. Correct Issue; Step 3
Perform Visual Checks Per the Diagnostic Manual and/or Performance Diagnostic
Sheet.
No. Step 3
Any issues noted?
Step
Action
Decision
DIAGNOSTIC:
Yes. Perform an iKNow search for
documents relevant to the issue. If no
articles can be found see the proper
Diagnostic Manual for diagnostics. Step 4
Are there any PENDING/ACTIVE DTCs?
3
No. Step 5
Step
Action
Decision
DIAGNOSTIC:
Yes. Step 5
No. Contact a supervisor and ensure all
the proper decisions were
made. If necessary open a case file with
Navistar
's Technical Support group with
all relevant information and recordings for
further assistance.
Were the DTCs corrected using the Diagnostic Manual?
4
Step
5
Step
Action
Decision
DIAGNOSTIC:
Yes. Step 6
Reset the Fuel Pressure Adaptives. Does the engine still misfire?
No. Complete any other work needed
and release unit to customer. If this is a
problematic unit continue with Step 6
Action
Decision
DIAGNOSTIC:
Yes. Step 7
Perform Crankcase Pressure and Blow-By Tests. If it is determined unsafe to do so,
please skip and continue to Step 7.
2007 - 2009 MaxxForce 7
Measure Crankcase Pressure (9" H2O) per the Diagnostic Manual or IK1200881
No. Potential Base Engine Issue.
6
2010 - 2013 MaxxForce 7
Measure Crankcase Pressure (Spec 24" H2O) and Blow-by (9" H2O) per the
Diagnostic Manual.
NOTE: If Blow-by is in specification and Crankcase Pressure is beyond specification,
verify the crankcase breather is a nonserviceable certified breather. Please See
121203 New Non-Serviceable Crankcase Breather - EPA 10 MaxxForce® 7. If
required, replace the Crankcase Breather and reevaluate readings.
Perform Step 7 & Step 8 and then open a
case file with Navistar's Technical
Support group with all relevant
information, pictures, parameter file and
recordings for further assistance.
Are the readings within specification?
Step
7
Action
Decision
DIAGNOSTIC:
Yes. Step 8
No. Step 8
https://evalue.internationaldelivers.com/service_kb/DocTool/ArticleViewer.aspx?ControlI...
11/3/2014
IK1201222 MaxxForce 7 Misfire Diagnostics
Page 3 of 7
See Section Cylinder Performance Analyzer Diagnostics for Engine Misfires below.
Did the CPA tool flag a cylinder misfiring at idle?
Step
Action
Decision
DIAGNOSTIC:
1.CPA Flagged no Misfires and RCT (or
MCT) is within specification; Step 9
Relative Compression Test
8
Note: 2007 - 2009 MaxxForce 7 the RCT may not be accurate or has an inability to
2. CPA Flagged a Misfire and RCT (or
document cylinder compression. If this is the case then perform a manual compression MCT) is within specification; Step 10
test on the suspected bank ONLY (Both if Required). General Specification Rule - If
Cylinders are within 40 psi of each other after FOUR revolutions, compression is not an
issue.
3. CPA Flagged a Misfire and RCT (or
In ServiceMaxx under "Tests", "KOEO Tests", perform the "Relative Compression Test". MCT) is out of specification; Step 10
Specification: All cylinders are within 7 RPM of each other.
Step
Action
Decision
DIAGNOSTIC:
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
- 【FOR END USER & DIYERS】 This error code reader AL319 is...
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: IK1201222
Replacement Service Bulletin Number:
MFR Communication Date: 2014-10-13
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- 💯【Conta.ct us for Support Directly】If you met any issues about: Received a registered device/ Language Changing/ Function not Support/ VCI150 Blueto-oth connector malfunction/ Subscription Renewal, please conta.ct us via 📞autelsupply @outlook. com🛣️, we will provide perfect solution for you. ⚠️Note: Autel MK900BT comes with 1-Year Free Software Update, most features will remain active after update subscription expires. 1. For questions regarding updates or need more useful accessories, please conta.ct us via 📞autelsupply @outlook.com🛣️. 2. If the device fails to charge or turn on, please conta.ct us via 📞autelsupply @outlook. com🛣️, we will handle it promptly.
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW MODEL OF MK808S MK900 MX900 MK808BT MX808S】2026 newest Autel MK900BT retains all features of MK808S MX900 MX808S MK808Z MK808Z-BT MK808K-BT, while EXTRA added powerful functions (value 2000+ bucks). The Pro-level Autel MK900BT makes a big leaps: 28+➡40+, 50+➡3000+ Active Tests, 2026 NEW✅CAN FD & DOIP protocols ✅Pre&Post diagnostic report ✅WIFI Print ✅Auto VIN&Auto Scan 2.0 ✅Scan VIN/ License ✅Battery Test (Need purcha.se BT506). If found defect or us.ed, please conta-ct 📞autelsupply @outlook. com📞 get perf-ect solut.ion.
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS906 PRO】Differ from MS906BT MS906 MP808 MK808 MX808 MK808BT only 50 tests, Autel scanner MK900BT escaner automotriz professional offers 3000+ active tests, it can send command to ECUs & monitor actuators operation, quickly locating faulty components. Bidirectional scanning takes your diagnostics to the next level with menu lists 3000+ active tests, such as windows, rear mirrors, sunroof, wipers, fuel injector, coolant fans, radiator fan, AC clutch, coolant pump and more. Note: Functions are not available for all vehicles, please send vehicle VIN to us check compatibility.
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full level-up of OBD2 code reader MaxiCOM MK808S MK808 MK808Z MX808 MK808Z-BT with 28 service, Autel scan tool MK900BT/ MK900-BT offers 40+ maintenance service on 150+ brands 10,000 vehicles from 1996-2025-2026. Hottest Services like: Oil Reset, ABS Bleed, SAS Calibration, Injector Coding, SRS, Throttle Reset, Gearbox Reset, Battery Registration etc. Added 12+ advanced resets: rain slash light sensor reset, HVA.C/ SUS calibration etc. Welcome to send Vehicle Make>Model>Year>VIN>Functions you required to 📞autelsupply @ outlook . com📞 check compatibility.
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE/ AUTO VIN】2026 new release Autel MaxiCOM MK900-BT scan tool embodies all system diagnostic with its 8in display for all vehicles. Like Sna.p-on tools, it can perform ✔Read/Clear Codes✔Displays 5-in-1 Live Data✔Record & Playback Data✔Retrieve Info on all available systems like ABS ECM BCM SRS TCM etc. In addition to Auto VIN technology, Autel MK900BT adds Scan License/ Auto Scan 2.0 to identify vehicle’s VIN/ license, make, year, model, no need manual input; One-click WiFi Printing of Pre&Post comparison diagnostic reports, highlight root causes of problems.
- 【TURN OFF CEL】 This AL319 car scanner diagnostic tool supports Reading and Clearing DTCs, DTC Look Up, displaying Live Data, Freeze Frame & I/M Readiness, view vehicle information, etc., to figure out the root cause of the Check Engine Light (CEL) and turn it off, helping you catch any potential issues early and avoid excessive costs from unnecessary repairs.
- 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with 7 languages (English, French, Spanish, etc.) and various post-1996 OBD II protocol vehicles (Toyota
, Nissan, Honda, Ford, etc.), this OBD II scanner provides accurate and fast diagnosis for worldwide car owners. - 【FOR END USER & DIYERS】 This error code reader AL319 is “plug and play” and comes with an easy interface. Even if you’re not familiar with vehicle repair, you can quickly take control of this obd2 scanner, and get the information you want.
- 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check engine code reader features a patented One-Click I/M Readiness, TFT color display, built-in speaker, LED Indicator etc. The cable is long enough without being too long and getting in the way. No batteries are needed.
- 【HIGH-QUALITY SERVICES】 12 months war.ranty from the date of purchase and lifetime free update are offered by this Automobile OBDII scan tool. Welcome to contact us via Q&A, email, or hotline, and our after-sale-service team for technical support.
- 👨🎓Tips Before Order: 🚩All function are vehicle-specific - send VIN(17 digits)/Make/Model/Year & needed function via 📞auteldirect @ outlook . com📞 to check before order. 🚩Register tool: a) Follow on-screen guide; or b) Register em-ail on Autel we-b, then bind using SN(back of device) + verification code (find in tool settings or con-tact us via above em-ail). MK808BT PRO comes with ✅English, if need Spanish, please s.end device SN to add. ✅1-year war-ranty. ✅$150 worth 1yr fr-ee updates(New users: ignore renewal alerts). ⚠️📢Post-expiry: Most functions remain functional,for exclusions, refer to A+ Tips. ⚠️Fee for FCA AutoAuth Ga.teway(optional): $50/year, charged by AutoAuth,not Autel.
- 【2026 MK808BT PRO: Same as MK900BT, up of MK900 MX900 MK808S MX808S】Why pay more? 2026 MK808BT PRO functions as MK900BT and saves you 100USD. At same c0st, you now get diagnostic 8X faster and sup-port for 150+ models(1996-2026).💡Dramatically Improved: ✔️Faster & Smarter OS: Android 4.4➡ Android 11 ✔️More Services: 28+➡ 40+ ✔️Bidirectional Control: 50+➡ 3,000+ ✔️Enhanced Hardware: 1/32G➡ 4G/64G ✔️2.4GHz➡ 5G Dual WiFi ✔️Working range: 0.9m➡ 10m+ 🔋Battery test is clear on the large 7in display(BT506 required). 🔔Your Autel scanner is shipped brand new. For any issues(used, damaged, incompatible), e-m-a-il 📞auteldirect @ outlook . com📞 for priority resolution.
- 👍【New Next-Level Bidirectional Control, 50➡3000+ Tests, Covers Daily Repairs】Unlike the Autel DS708 DS808 MP808 MK808 and MX808 car diagnostic scanners, which offer only 50 functional tests, the Autel bidirectional scan tool MK808BT PRO is equipped with over 3000 active tests. These tests are widely used on car subsystems to help technicians quickly check if the car's actuators are functioning properly. Such as ABS, windows, rearview mirrors, wipers, sunroofs, fuel injectors, AC clutches, coolant fans, radiator fans, coolant pumps,etc. Tips📢: All functions are vehicle-specific, not universal to all vehicles,pls send VIN to 📞auteldirect @ outlook . com📞check compatibility before order.
- 👍【28+ Hot Services for 150+ Makes】Autel scan tool MK808BT PRO, upgraded with a BT VCI Mini(valued at 120USD), surpasses the old wired OBDII scanner MK808S MK900, by providing a convenient 33ft wireless working range, offering greater freedom and comfort compared to the 3.3ft cable limit of the MK900 MK808S MX808S car scanner. New features include VIN Check across different modules for comparison and 28+ resets, such as injector coding, ABS autobleed, Oil reset, SAS cali.bration, BMS, throttle relearn, suspension adjustments, etc. ⚠️📢Tips: Service functions are vehicle-specific, not universal to all vehicles, pls send VIN to 📞auteldirect @ outlook . com📞check compatibility before order.
- 👍【All Available Module Diagnosis - OE-Level Scanner】The OE versatile OBDII scan tool MK808BT PRO escaner para autos effectively works with all car systems: ABS, ECM, BCM, SRS, TCM,etc. It identifies vehicles via AutoVIN/manual input/select, like S.nap-on tools, it can ✔read/clear 7000+ DTCs, ✔read ECU info, ✔view 5-in-1 live data, ✔perform active tests, and ✔reset services. ✔Reports can be shared via QR-code and printed, working globally and 21+ multilingual. Supports 150+ US/EU/Asian makes, with ongoing updates from 2024 to 2026. ⚠️Note📢: The AutoVIN function usually works for post-2006 cars, depending on if the vehicle's VIN is stored in the ECU. You can always do manual input/select.
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.