Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated – DTC P0442 and/or P0455 Set – 2000-2021 Buick Cadillac Chevrolet GMC

NHTSA ID Number: 10198890

Manufacturer Communication Number: 21NA124

Summary

This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

1024 Affected Products

Vehicles

Condition

Some customers may comment that the MIL is illuminated.

Some technicians may find one or more of the DTCs set in the Engine Control Module (ECM):

• P0442: Evaporative Emission System Small Leak Detected
• P0455: Evaporative Emission System Large Leak Detected

Information

Refer to the Service Procedure below for some diagnostic tips that may help locate the source of the leak or cause of the concern.

1 Associated Document

Manufacturer Communications

Bulletin No.: 21-NA-124
Date: May, 2021

https://www.nhtsa.gov/recalls?nhtsaId=10198890

MC-10198890-9999.pdf 501.788KB

Bestseller No. 1

AutoLine Pro Automotive Smoke Machine Leak Detector EVAP Vacuum Diagnostic Tester | Shop Series | Made in The USA

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• 【 DIAGNOSE ALL TYPES OF LEAKS WITH ADAPTERS】Consistently smoke test EVAP systems, Vacuum leaks, low pressure Turbo leaks, Intake Manifolds, Cooling / EGR / Exhaust Systems, worn rubber, gaskets, seals, connectors, and more! The tapered smoke injection nozzle fits into virtually all hoses and lines.
• 【 PRECISE AND SAFE】Engineered 100% safe for all vehicles. Thick Smoke output detects even the smallest leaks. Every unit Is backed by 1 YEAR FULL COVERAGE WARRANTY! AS AN AMERICAN FAMILY BUSINESS, we stand proudly behind our products. If you have any issues, don't hesitate to contact us directly.
• 【 HOW DOES IT WORK?】(1) Fill with the included OEM Approved Smoke Fluid. The kit operates with the included OEM Approved Fluid or you may use your own USP Mineral Oil / Baby Oil. (2) Fasten the Power Cable (3) Connect your Air Supply. ANY SIZE and ANY TYPE OF AIR COMPRESSOR WILL WORK. (4) Check for LEAKS with Smoke Detection Technology.
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MR CARTOOL T130 Automotive EVAP Smoke Machine, Dual Mode 12V Car Fuel Pipe System Leak Tester Detector with Oil Level and Adjustable Flowmeter for All Vehicles

• 【Smoke Machine T130】MR CARTOOL EVAP Leak Detector T130 is a professional machine for automotive pipe system leak detection. Can be used for EVAP System, Car Sealing, Intake System, Exhaust System, Crankshaft System, Fuel Tank System, Turbo Leaks and Various Pipe Fittings. NOTE: Not suitable for air conditioning system piping.
• 【Air Mode & Smoke Mode】Built-in air pump and smoke generator, so it does not rely on additional air machine, perfect for Mobile Automotive Repair! The smoke can be produced within 10 seconds, dramatically reducing diagnostic time. Smoke output value: 6L/min.
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• 【Complete Set】Comes with 4.92ft Smoke Hose, EVAP Special Connector, Standard Cone Adapter, Power Cord Clamp, Valve Core Wrench, Airbag Adaptor, Rubber Connector Part, 3.38oz Empty Bottle for test oil(Please notice: Package does not includes the baby oil), Various of Soft Rubber and Hard Rubber Hose Plugs.
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Automotive Smoke Leak Detector Tester EVAP Smoke Machine with Dual Mode

• 【Why Need It】Car Smoke Leak Detector is a professional auto pipe leak detect tool. It will help us position cars motorcycles leakage on the pipe systems quickly and exactly
• 【Air Mode & Smoke Mode】Built-in air pump and smoke generator, so it does not rely on additional air machine, perfect for Mobile Automotive Repair! The smoke can be produced within 7-15 seconds, dramatically reducing diagnostic time. Smoke output value: 1-6L/min.
• 【Flow Meter & Pressure Gauge】According to the pressure of the detection pipeline, it is controlled with a flowmeter to more effectively protect the pipeline from damage. By observing the pressure gauge, you can determine whether the pipeline is leaking more quickly and accurately. Usually the pressure gauge continues to rise, indicating that there is no problem with the pipeline. If the pressure gauge continues to decrease, Explain that the pipeline leak needs to be repaired.
• 【EVAP Detection】American cars that began production in 1996 are equipped with EVAP service ports; in most American cars, the EVAP service port is usually located in the engine compartment, but the EVAP service port of some special models may be located in other locations. Open the plastic cover of the EVAP service port, then use the spool wrench to remove the check valve clockwise, then install the EVAP service port adapter, and introduce smoke from the port into the EVAP leak detection system.
• 【Wide Testing Range】Built-in air pump,The smoke leak detector can do smoke testing of multiple systems, such as EVAP systems, Intake Systems, Cooling / EGR /Exhaust Systems, Crankcase Systems, Engine Airtightness, Vacuum Leaks, Low Pressure Turbo leaks.Applicable cars, motorcycles, snowmobiles, off-road vehicles, ATVs, light trucks and speedboats boats.

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OTC 6522 LeakTamer EVAP Smoke Diagnostic Machine

• OTC's Leak Tamer - Find the Leak, Clear the Code, Smoke the Test - 80% of top codes can be diagnosed with smoke technology
• This unit is half the size of its predecessor, but twice as mighty with more powerful features
• Smoke flow control adjusts for specific applications and detects microleaks to and below .010 inch
• Uses UltraTrace UV Dye - the only smoke test solution approved by OE manufacturers
• Includes: white/UV combination with laser pointer, UV glasses, service port adapter, exhaust adapter cone, cap plug adapters, Schrader removal/installation tool, UltraTrace UV smoke-producing solution

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SaleBestseller No. 5

ourantools Automotive EVAP Machine Leak Detector, DC12V Fuel Pipe Leak Tester with Flowmeter Display Dual-Modes for All Autos

• WORKING PRINCIPLE- This is a professional machine for automotive smoke leak detection, adopted visual smoke test system. By heating up special oil (mineral oil or baby oil) into smoke and blow smoke into sealed pipe system. Quickly locate leaked parts. Reduce the cost of repeating vehicle returns, dramatically reducing diagnostic time.
• POWERFUL FUNCTIONS - Air-tightness Check, Air Intake System Test, Evaporating Fuel Leakage Test, Cooling System Test, and Multi Protections: Over-heat & Over-load Protection. Support for sealed system with sealing adapters, 1.5m/59” smokes outlet hoses and standard cone adapter.
• EVAP SYSTEM SUPPORTED - Comes with EVAP special connector, it can help you apply with EVAP system of all vehicles, including auto, off-road, ATV, light trucks & speedboats. Connects smoke the machine to the car's EVAP access port, then introduces smoke. You will find out to leak point in piping where smoke come out. Please repair the leakage.
• SPECIFICATION - Built in air compressor. Adopted adjustable Flow Switch and Flowmeter help control easily. And ready for diagnosis and maintenance at any time. Dual Modes: air mode & smoke mode. Voltage: DC 12V (Supplied by Automotive Battery). Smoke output value: 0-6L/min. Out-put pressure: 9-11PSI.
• 3 YEARS WARRENTY - To ensure your high-quality shopping experience. We provide 3 years (longer than competing machines). 24 hours E-mail supports can help to resolve any issues of using. Thank you for your support to BELEY DIRECT.

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ANCEL S3000 Automotive EVAP Smoke Machine Leak Detector with Pressure Gauge & Adjustable Flow Meter, Dual-Modes 12V Car Pipe Vacuum Leakage Tester for Vehicle Motorcycle Boat Truck

• 🎁🎁EXTRA SAVING DEALS: Simply click "Extra Saving" below the price and add both to your cart to receive a free AD210 code reader worth $24.99 with the purchase of 1 or more S3000 EVAP Smoke Machine from ANCEL. Valid until May 31, 2022.
• 【Ideal EVAP Smoke Machine】ANCEL S3000 is a professional machine for automotive pipe system leak detection, will help you find the leak and decide over 99% of generic smoke leakage problems. Supports various systems smoke testing, such as EVAP system, intake system, various pipe fittings, exhaust system and so on. Get the S3000 smoke tester and solve the problem yourself to save time and money.
• 【Easy to Use】Throuth heating mineral oil or baby oil into smoke, and then pressing it into the sealed pipeline system, it can be outputs lots of smoke within 30 seconds, improve the efficiency of diagnosis. Equipped with pressure gauge and adjustable flow meter, which helps you control the smoke effect easily and allowing you to estimate the size of the leak by the change of the gauge value. The smoke created from the machine is non-toxic, don't worry about damage to your body and vehicle.
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Redline Detection Smoke Pro Total Tech Vehicle Smoke Machine for EVAP Test

• World’s best-selling smoke machine
• Made in the USA
• Uses visual vapor to quickly diagnose trouble codes and pinpoint leaks
• OEM-Approved
• Comes with extended accessory kit

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FXTUL Automotive Smoke Machine Leak Detector, Fuel Pipe System Leakage Tester with Dual-Modes 12V EVAP Leak Down Tester with Flow Meter & Pressure Gauge for All Vehicles

• 【MULTIPLE DETECTION FUNCTIONS】The leak detector has a variety of test functions and can do smoke testing of multiple systems, including crankcase systems, intake systems, car sealing, fuel tank systems, low pressure turbo leaks, various pipe fittings, exhaust systems, EVAP systems. Note: Not suitable for air conditioning system piping.
• 【QUICK DETECTION】The automobile smoke leak detector is specially designed to detect the leakage of automobile fuel and gas pipelines, heating special oil (mineral oil or baby oil) into smoke, and then pressing it into the sealed pipeline system. If there is a leak, you will find smoke.
• 【FLOW METER & PRESSURE GAUGE】The smoke leak detector is equipped with flow meter and pressure gauge. All data are clear at a glance, which helps you better control the smoke effect. And the EVAP Leak detection unit has an intelligent protection device with overheating.
• 【AIR MODE & SMOKE MODE】The evap smoke machine has air mode and smoke mode. The smoke mode is to accurately determine the location of the leakage through visible smoke after the detection of automobile leakage, so as to solve the problem of automobile failure. It's has its own air pump, so it does not have to rely on other air machine.
• 【WHAT YOU GET】Automotive smoke machine is equipped with 1pcs main unit, 1pcs hook, 1pcs universal intake bladder, 1pcs intake bladder replacement rubber, 1pcs smoke hose, 1pcs power cord, and 1pcs funnel. Attention: This product isn’t equipped with value code wrench and EVAP special connector, if you need to detect EVAP system, you can buy it in local market.

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Bestseller No. 9

Romondes SM601 EVAP Smoke Machine Automotive Leak Detector, Vacuum Leak Tester, Diagnostic Fuel Pipe Leakage Locator for All Cars, Motorcycles, Snowmobiles, ATV, Light Trucks, Boats

• 【Trusty Warranty】First come, first served. Buy now and get a battery tester worth $35.99 and 🚩also get a replacement metal cap to replace the original plastic cover, which has a high temperature resistant effect and increases the sturdiness of the cover. 🔺SM601 is always in the process of improving versions and some product issues have been well resolved. If you find any unpleasant shopping experience please contact us promptly, we always supports a no-hassle full refund or replacement.
• 【High Performance】 Romondes SM601 EVAP smoke machine comes with a hook allows you to hang it on your hood latch, conical adapter fits most intakes, and the 8.2ft smoke hose can help reach and connect perfectly, won't harm the EVAP system. ▶ Voltage: DC 12V. Output pressure:0.5PSI. Output volume: ＜8LPM. Smoke current: 5 AMP. Heating Material: Mineral Oil or Baby Oil (oil not included). *The smoke output by SM601 automotive smoke machine is environmental and non-hazard Smoke.
• 【Diagnose All Types of Leaks】As a professional Smoke leak tester, SM601 can help you to locate hard-to-find leaks in any sealed system, like EVAP system, intake/exhaust system test, vacuum leaks test, sealing test, fuel tank system test, turbo test, crankcase system test, EGR system test, various pipe fittings test, Throttle Shafts, Door&Windows seals, Oil Leaks ... and more! Besides, SM601 vacuum leak tester Could be used on all cars, motorcycles, snowmobiles, ATV, light trucks, boats, etc.
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• 【Powerful and Easy to Use】1: Mount the hook and the shop air adapter, plug the power and screw on the smoke hose to the unit.2: Fill (mineral Oil based) smoke oil into the unit from refill port on the top. 3: Connect shop air supply and 12V vehicle power, introduce shop air to the SM601 automotive smoke leak detector, then turn the Flow Dial anti-clockwise to open the air flow. 4: Switch on the power, after the unit start to output smoke, introduce smoke into the system.

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AutoLine Pro Automotive Smoke Machine Leak Detector EVAP Vacuum Diagnostics Tester | Economy Series | Made in the USA

• 【 HIGH PERFORMANCE】Made in the USA. The Economy Series version 2.0 outputs lots of smoke! It's compact, powerful, and all quality components have been UPGRADED+ in version 2.0. All units come with our brand new ALP HIGH YIELD Ceramic Smoke System guaranteed to produce more smoke than all competition and last forever (smoke coil has our lifetime warranty).
• 【 DIAGNOSE ALL TYPES OF LEAKS】Consistently smoke test EVAP / Vacuum / exhaust / and more at a fraction of the cost.
• 【 PRECISE AND SAFE】Engineered 100% safe for all vehicles. Thick Smoke output detects even the smallest leaks. Every unit Is backed by 1 YEAR FULL COVERAGE WARRANTY! AS AN AMERICAN FAMILY BUSINESS, we stand proudly behind our products. If you have any issues, don't hesitate to contact us directly.
• 【 HOW DOES IT WORK?】(1) Fill with the included OEM Approved Smoke Fluid. The kit operates with the included OEM Approved Fluid or you may use your own USP Mineral Oil / Baby Oil. (2) Fasten the Power Cable (3) Connect your Air Supply. ANY SIZE and ANY TYPE OF AIR COMPRESSOR WILL WORK. (4) Check for LEAKS with Smoke Detection Technology.
• 【 FAST, FREE, & SAFE DELIVERY】ALL orders shipped out same day via Expedited Priority Shipping! (for same day, order before 12pm PST / 3pm EST) Delivered to your door in just 1~3 business days! [BUYERS WHO ARE HAVING TROUBLE PURCHASING, PLEASE MESSAGE US DIRECTLY]

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Last update on 2022-05-15 / Affiliate links / Images from Amazon Product Advertising API