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M45

Hi there. Quite often a damaged catalytic converter will mask other mechanical issues that impact fuel economy. One culprit in particular is the EGR valve (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-exhaust-gas-recirculation-egr-valve). The EGR valve works in conjunction with the catalytic converter to help reduce particulate...

The slip and vdc lights are related to the traction control system on your vehicle. The traction control system works in conjunction with the engine. When the wheels begin to slip, the traction control can temporarily disable the engine to...

Hello - there are actually 3 sensors that report camshaft position and timing information to engine management. There are 2 intake valve timing position sensors (one for each bank of cylinders), and a camshaft timing sensor. These all report camshaft...

Hi there. When the codes P0420 (https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker) and P0430 (https://www.yourmechanic.com/article/p0430-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-2-by-spencer-clayton) come up, usually the catalytic converter has failed, but before you determine if you need to replace the catalytic converter, consider checking the following: A damaged or failed oxygen sensor...

Hello. The excessive vibration may be due to a faulty motor or transmission mount (https://www.yourmechanic.com/services/engine-mount-replacement). The vibration likely can be coming from  the braking system as well. Warped rotors (https://www.yourmechanic.com/services/brake-rotor-disc-replacement) commonly cause such vibrations when stopping.  The loud noise coming...

Transmissions cannot lose power simply because they do not generate or create any power. All a transmission on a car does is transfer power developed by the engine to the wheels. If the transmission is intermittently going into what is...

While I myself have never replaced one, from what I can find, the answer is YES. The engine does have to at least be elevated from it's mounts quite a bit to remove and replace the oil pan. If you...

Hi there. Anytime the battery is not disconnected and a wiring harness is removed, there is spikes of power that is sent directly to the ECM (computer). Either there is a plug that is not plugged in on your engine...

Hello there, thanks for writing in. A few different faults can cause your 2006 Infiniti M45 To have a pressure buildup in the engine. The most common would be a PCV valve (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-positive-crankcase-ventilation-pcv-valve), high oil pressure, or a vacuum leak....