2010 Chevy Tahoe Tighten Gas Cap

2010 Chevy Tahoe Tighten Gas Cap

Chevy Tahoe On the 2010 Chevy Tahoe, when the Tighten Gas Cap message comes on AND there is a Check Engine Light also on, this means there is a problem somewhere in the EVAP (emissions control/recovery) System. First, make sure the replacement fuel cap meets GM specs. Most aftermarket caps will not meet specs. If you are certain the cap is good, then the next thing to do is to have the Diagnostic Trouble Codes (aka “P-Codes”) scanned from the on-board computer. Unfortunately, there are literally dozens of parts and…

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2004 Mercury Mountaineer P0193

2004 Mercury Mountaineer P0193

Mercury Mountaineer On the 2004 Mercury Mountaineer with the 4.0L engine,The P0193 is a fairly straight forward code pointing to a problem with the Fuel Rail Pressure Sensor. It’s mounted to the driver’s side fuel rail, towards the front of the rail. Carefully inspect the electrical connector for any loose, broken or damaged wires. Inspect the vacuum line for any cracks, holes or disconnections. If the visual inspection checks ok, replacing the Fuel Rail Pressure Sensor should solve the problem. The fuel rail pressure (FRP) sensor is a diaphragm strain gauge device in…

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2013 Hyundai Sonata Tire Pressure

2013 Hyundai Sonata Tire Pressure

Hyundai Sonata On the 2013 Hyundai Sonata, the recommended tire pressure for this vehicle is 33psi. If you find that there is a tire which is under-inflated, fill the tire and then drive the vehicle. The light should reset itself in under 10 minutes. If the light does not go off and you are sure all tires are at correct pressure, then there is a problem in the tire monitoring system somewhere. Very commonly, this is a faulty Tire Pressure Sensor. The pressure sensor is mounted inside the tire as part…

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2002 Hyundai Accent P1401 DM-TL

2002 Hyundai Accent P1401 DM-TL

Hyundai Accent On the 2002 Hyundai Accent the P1401 is actually a known problem, and Hyundai has issued a Technical Service Bulletin that states the common cause for this issue is “Water leakage into the DM-TL (Diagnosis Module-Tank Leakage) may result in corrosion of the DMTL connector pins. To correct this condition, replace the DM-TL and DM-TL wiring connector.”. It’s located under the vehicle, on the rear, driver’s side. Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get your…

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2005 Toyota 4Runner P0441 P2420

2005 Toyota 4Runner P0441 P2420

Toyota 4Runner On the 2005 Toyota 4Runner, the P0441 is a very general code simply stating there is a problem somewhere in the EVAP System. The P2420 narrows this down a bit to the EVAP Vent Valve. The Valve Valve is built into and part of the Pump Module, located at the top of the fuel tank, between the Air Filter and the EVAP Canister. Carefully inspect the rubber lines for any cracks, holes or disconnections. Inspect the electrical connector and wire harness for any loose, broken or damaged wires….

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2005 Saturn Ion 2.2L P0341 Camshaft Sensor

2005 Saturn Ion 2.2L P0341 Camshaft Sensor

Saturn Ion On the 2005 Saturn Ion 2.2L engine, the P0341 is a very straight forward code pointing to a problem with the Camshaft Position Sensor. This ignition system does not use a conventional camshaft position (CMP) sensor that detects valve train position. The Ignition Control Module (ICM) detects when #1 or #3 cylinder has fired on the compression stroke using sensing circuitry integrated within each coil. The sensing circuit detects the polarity and the strength of the secondary voltage output. The higher output is always at the event cylinder. The ICM sends…

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2008 Chevy Equinox C0550 EBCM

2008 Chevy Equinox C0550 EBCM

Chevy Equinox On the 2008 Chevy Equinox, the C0550 is a very straight forward code pointing to a problem with the Electronic Brake Control Module (EBCM). There are a couple of variations on this code and will result with a 2-digit code after the C0550. In any case, the most common problem is an internal failure of the EBCM. This is very similar to a hard drive crash on your home computer. The EBCM is located under the hood, in the driver’s side rear corner of the engine compartment, just below and to…

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Chip Install: 2002 Cadillac Escalade 6.0L

Chip Install: 2002 Cadillac Escalade 6.0L

On the 2002 Cadillac Escalade 6.0L, the intake air temp sensor is built into the Mass Air Flow Sensor. The MAF/IAT Sensor is mounted between the Air Filter Housing and the Air Duct. At the IAT Sensor, the wire colors are: Tan = IAT Signal ( + )Black = Signal Return ( – ) Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get your answers on this problem now!

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2003 Buick Century Blower Intermittent

2003 Buick Century Blower Intermittent

Buick Century On the 2003 Buick Century, when the blower motor only works intermittently, this is going to be either a poor connection at either the Blower Motor Resistor or a failing Blower Motor itself. First, remove the passenger’s side insulator panel (the panel right above where the passenger’s feet would be) to gain access. Then, inspect the electrical connectors to the Blower Motor Resistor and motor looking for any loose, broken or damaged wires. If the visual inspection checks ok, then you should test for power to the blower motor the next time the blower is not…

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2009 Chevy 3500 6.6L P0101 MAF Sensor

2009 Chevy 3500 6.6L P0101 MAF Sensor

Chevy 3500 On the 2009 Chevy 3500 6.6L, the P0101 is a very straight forward code pointing to a problem with the Mass Air Flow Sensor. Inspect the air filter housing and make sure it is tight and sealed correctly. Check the air filter element and make sure it is not excessively dirty and limiting air flow. Visually inspect the air filter housing duct for for any cracks or holes. Inspect the electrical connector and wire harness for any loose, broken or damaged wires. If the visual inspection checks ok, most commonly,…

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