For an intake leak, the smoke can be introduced into the brake booster hose or the engine oil dipstick tube. For best effect, covering the air intake before the MAF sensor to allow air pressure to build is recommended.
There may be debris in the Reverse or Neutral shift buttons of the shift by wire (SBW) shifter assembly that’s causing them to stick. Typical debris are particles in the shift button or sticky residue from something that spilled. Check for debris. Particles can be removed with tweezers or a vacuum.
This bulletin applies to 2016-2018 Chevy Camaro and Corvette vehicles equipped with the 6.2L LTi or LY4 engine, which may experience a mystery coolant loss. If the coolant is low, pressure test the system looking for leaks at the outer cylinder head bolt locations.
Some 2012-2013 Ford Flex, Mustang, Taurus and Edge vehicles equipped with a 3.5L twin-independent variable cam timing (TIVCT) or 3.7L engine and built on Jan. 3, 2012,through July 31, 2012, may exhibit a MIL on with DTC P1450.
An owner of a 2008-2015 Buick Enclave may comment about the ABS and red brake lamp on. When trying to retrieve DTCs, the technician’s scan tool may not communicate with the EBCM. The scan tool may communicate with all other high and low speed GM LAN modules and some may have set a U0121 DTC against the EBCM.
Ram 2500, 3500 and 3500 Cab Chassis vehicles equipped with a 6.4L engine and 66RFE automatic transmission may need the converter replaced and technicians can find out by inspecting the torque converter build date.
This bulletin applies to 2016-2020 Toyota Mirai vehicles equipped with hydrogen engines. During vehicle inspections, when the under covers are removed, debris may be found on the under cover near the end of the hydrogen tank. Upon closer inspection, the debris is found to be coming from the end protector of the tank.
This bulletin provides the procedure to replace the inhibitor switch on 2017 Kia Optima, Sorento, Optima Hybrid, Optima Plug-in Hybrid, Sportage, Forte and Sedona vehicles equipped with a front wheel drive, six-speed transmission.
Mazda notes that on all models with IDS version 104 and higher, permanent DTCs are displayed. The purpose of a permanent DTC is to prevent customers from clearing them by disconnecting the battery cable in order to pass a smog check.
This bulletin applies to 2014-2015 Infiniti Q70/Q70 Hybrid, 2011-2013 M and 2012-2013 M Hybrid vehicles equipped with V6 or V8 engines. Confirm that with the engine running at full temperature and the HVAC set to vent (face),and 90-degrees Fahrenheit on both sides, the vent temperature on the passenger side is more than 10 degrees Fahrenheit colder than the vent air temperature on the driver side.
This bulletin applies to all BMW vehicles equipped with the N51 and only N52 engines produced from 2004-2006, N52K and N52T engines. The check engine light may be on, with misfire faults stored in the DME.
Some 2015-2016 Ford F-Super Duty trucks equipped with a 6.7L diesel engine may exhibit an illuminated MIL with DTCs P2074, P0170, P0401, P0402 and/or P259F stored in the PCM. This may be due to various strategies within the PCM software.
This bulletin applies to 2011-2015 Lincoln MKX and 2013-2015 MKS vehicles built on or before Dec. 1, 2014, plus 2013-2015 MKT vehicles built on or before March 16, 2015, equipped with a floor shift selector lever. These vehicles may exhibit a Shift to Park/Transmission Not in Park message displayed while the shifter is in the Park position.
Owners of 2015-2020 Chevrolet Suburban, 2015-2020 Chevrolet Silverado 1500 and 2018-2020 Chevrolet Tahoe vehicles may notice a detent/click at about three-fourths of the way through accelerator pedal travel, with a feel of increased resistance. The accelerator pedal design was changed for vehicles equipped with an eight-speed and 10-speed transmission.