1996 Cadillac DeVille P0171 and P0174

1996 Cadillac DeVille P0171 and P0174

Cadillac DeVille On the 1996 Cadillac DeVille, when P0171 and P0174 are set with oxygen sensor codes, more times than not, this is not an oxygen sensor problem. This means the air-fuel mixture is running “lean” and this is what sets the oxygen sensor code. It’s not very common for both upstream oxygen sensors to fail at the same time. So, before condemning the oxygen sensors – First- check the Fuel Filter. Remove the filter and try to blow through it. Any resistance and the Fuel Filter will need to…

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2003 Cadillac Seville Low Coolant Message

2003 Cadillac Seville Low Coolant Message

Cadillac Seville On the 2003 Cadillac Seville, If the coolant level in the reservoir is correct and the warning message still appears, this will be a problem with the Coolant Level Sensor. The sensor is built into and part of the Coolant reservoir. Inspect the electrical connector and wire harness for any loose, broken or damaged wires. If the inspection checks ok, the Coolant reservoir will need to be replaced. To gain access to the reservoir, the air filter housing will first need to be removed. Does your vehicle have a…

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2010 Cadillac SRX P0496 Purge Solenoid

2010 Cadillac SRX P0496 Purge Solenoid

Cadillac SRX On the 2010 Cadillac SRX, the P0496 is pointing to a problem with the EVAP (emissions control/recovery) Purge System. More commonly here, the problem will lie in the EVAP Canister Purge Solenoid Valve. It’s located on the top of the engine. Remove the engine cover to gain access. Carefully inspect the vacuum lines for any cracks, holes or disconnections. Inspect the electrical connector for any loose, broken or damaged wires. If the inspections check ok, a scan-tool should be used to monitor the fuel tank pressure sensor. The Fuel…

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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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Chip Install: 2004 Cadillac CTS 3.6L

Chip Install: 2004 Cadillac CTS 3.6L

Cadillac CTS On the 2004 Cadillac CTS 3.6L, the intake air temp sensor is built into the Mass Air Flow Sensor. The MAF/IAT Sensor is mounted to the side of the Air Filter Housing. At the IAT Sensor, the wire colors are: Tan/Black = IAT Signal ( + )Tan = 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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Chip Install: 2008 Cadillac CTS 3.6L

Chip Install: 2008 Cadillac CTS 3.6L

On the 2008 Cadillac CTS 3.6L , the IAT sensor is built into the Mass Air Flow Sensor. The IAT/MAF Sensor is mounted to the side of the air filter housing. At the IAT/MAF Sensor, the IAT wire colors are:   Light Blue = IAT Signal ( + ) Black = IAT Reference ( – ) 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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1997 Cadillac Deville Ignition Control

1997 Cadillac Deville Ignition Control

Cadillac Deville On the 1997 Cadillac Deville, 4.6L engine, the P1350 is a fairly straight forward code that is pointing to a problem with the Ignition Control Module (ICM). You can fine the ICM located under the ignition coils (the flat metal piece that the coils sit atop – see image below). Carefully inspect the electrical connector and wire harness for any loose, broken or damaged wires. If the visual inspection checks ok, replacing the ICM should solve the problem. Does your vehicle have a similar problem? Get connected to…

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2007 Cadillac Escalade P0121 Throttle Body

2007 Cadillac Escalade P0121 Throttle Body

Cadillac Escalade On the 2007 Cadillac Escalade, the P0121 is pointing to a problem with the Throttle Position Sensor. Inspect thoroughly for any type of leak or restriction at the throttle body and throttle plate. Check for air leaks at throttle body mounting area and intake manifold sealing surfaces. Inspect throttle body for dirt, debris, and coking. If any doubts, a good throttle body cleaning can sometimes cure this code. With the use of a toothbrush and some throttle cleaner, get as much build up off the throttle bore and…

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2008 Cadillac STS P0008 Timing

2008 Cadillac STS P0008 Timing

Cadillac STS On the 2008 Cadillac STS, the P0008 is “Engine Position System Performance Bank 1”. The engine control module (ECM) tests for a misalignment between both camshafts on one bank of the engine and the crankshaft. The misalignment would be at an idler sprocket for either bank or at the crankshaft. Once the ECM learns the position of both camshafts on one bank of the engine, the ECM compares the learned values to a reference value. The ECM will set this DTC if both learned values for one bank…

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2009 Cadillac SRX Tire Sizes Explained

2009 Cadillac SRX Tire Sizes Explained

Cadillac SRX On the 2009 Cadillac SRX, it’s true that the front tires and the back tires ARE different sizes, UNLESS this is the “Sport” model. If not… The Front calls for: P235/60/R18 and the Rear calls for: P255/55/R18. If this is the base-model with the V6 engine, the Front is: P235/65/R17 and the Rear is: P255/60/R17 If this is the “Sport” model, then ALL the tires are: P255/50/R20 Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get…

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