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V8-4.5L

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While driving, car power steering stopped working. It got tight. Brakes,gas stopped working. 4 way flashers lights started blinkin
This is an electrical malfunction and is what is referred to as a "global" malfunction. That means a principal circuit, or circuits, was interrupted obviously on an intermittent basis. Battery terminal corrosion is possibly implicated at least as a contributing...
Engine blown
The two engines you refer to are absolutely identical excepting one issue that you will have to confirm: the engine used in the M45 did have a left hand versus right hand option versus starter placement. So, whatever sample you...
Bad gas mileage
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...
Mechanic said transmission is losing power and occasionally goes into sleep mode, my question is about how long before it goes out
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...
i have 88 cadillac just got it with brand new tranny i think they damaged seal putting it in what would be my estimated cost for
The cost depends on which seal is leaking. If, for example, the leak is at a transaxle output shaft seal, you can input your year, make and model at the service page for axle shaft seals (https://www.yourmechanic.com/services/axle-shaft-seal-replacement) to obtain a...
Vdc light and slip light.
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...
Broke oil pan do I have to pull motor to replace
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...
Gas leaking in tailpipe. Changed fuel pump, fuel filter, and oil. Still leaks. My next move is to replace the fuel regulator. Can you fix this?
Hi there. If the fuel is dumping into the exhaust pipe, then there is either a burned valve and the gas is not burning in a cylinder or one or more fuel injectors are leaking. If you need further assistance...
How many camshaft sensors are there in my 2003 infiniti m45? 2003 Inifiniti M45
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...
Hello...I have a 2004 infinity m45. Everytime I started my car it jerked so I took it to a mechanic and I was told my camshaft sensor harness was bad.
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...
Heater only blowing cold air.
There are two likely causes for your concern. Either your heater core inside your dashboard is clogged, or one of the doors that directs the air to your heater core is malfunctioning. I would enlist the help of a certified...
Car dies
There could be quite a few things that can cause this. Reading out faults from the engine computer will be key to guiding the diagnosis in the right direction. Depending on when the stalling occurs -- at idle, part load,...
Slight vibration from accel pedal
Vibration that is in the floor area and/or the accelerator pedal, but not felt through the steering wheel, could be due to a rear axle (tire/wheel) balance issue including even faulty struts. It is also possible for the vibration to...
After replacing my camshaft position sensor I have abs, slip and vdc off lights on. Could it be a bad camshaft sensor * 02 q45
Hi Travis. If you have multiple electrical warning lights on the dashboard after completing a camshaft position sensor replacement, and the battery terminals were not removed - it's likely that these warning lights are triggered by an electrical short. It's...
After installing electronic ignition system, I cannot get tachomter to read RPM. It is dead. 1975 Mercedes 450SLC
Hi there - there are a couple of possibilities for this problem. Worst case is that during the ignition modification, the tachometer was somehow shorted, and is not non-functional. More likely is a lack of the proper "trigger" path from...
how many catalytic converters do it have
Your vehicle has two catalytic converters. These two converters are assembled, along with a muffler and some pipe, as one integral piece. The OEM Infiniti part number, if you require replacement of these converters, is 20020-CR91A. If you do a...
My car won't unlock
When this situation occurs, it's commonly due to a failure within the power lock module, which is what receives the signal from your FOB key and sends a signal to each door to unlock. However, it could be a simple...
Porsche Cayenne S 2005 has code P0349 read on scanner.
Hi there. The Camshaft Position Sensor tone ring could be damaged or there could be an electrical problem with the electrical circuit with the camshaft position sensor harness. I recommend replacing the camshaft position sensor (https://www.yourmechanic.com/services/camshaft-position-sensor-replacement). If you need further...
my 1988 cadillac deville runs hot. i dont know whats wrong with it. the car stills drive. but people are telling me its a blown he
Hello, thank you for writing in. A blown head gasket is most likely what your issue is. Check the coolant. Chances are it is low and mixing with the oil. The head gasket is the only component which would allow...
I have a 06 Infiniti M45. The service engine light came on. Got the codes of p0420 and p0430. Wondering if I need to replace both O2 sensors.
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...

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