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H4-2.5L Turbo

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car starts up fine it will drive rough running and few hundred feet and then completely down
Hello. Typically, a vehicle will start and then quit because of an issue with the fuel or electrical system. It is important to monitor fuel levels as well as warning lights which can signal to the driver that a vehicle...
Question
Got a code of p0851 on 04 Forester xt. Shifter was stuck in park but I was able to jiggle it free. Today the oil light was flicking and stalling. Are these Related?
Hi there. The neutral safety switch (transmission position switch (sensor)) on the transmission and the engine oil light on the dash have nothing in common. If the neutral safety switch has failed, then the transmission may start in gear or...
Question
Accident messed up air ride suspension. car is in lowest position. not able to move without flat bed tow 2016 Subaru WRX STi
Unfortunately, aftermarket air ride systems would not be something servicable by YourMechanic. However, I would recommend taking the vehicle to the place that installed the aftermarket air ride system to see if they can repair your vehicle. They would likely...
Question
Metal Shavings In Engine From Turbo
When it comes to metal shavings in the engine, you have to understand that those shavings will go everywhere. They will get between moving parts and cause further damage. They can get into the rings on the pistons and score...
Question
Check engine light
Hello. P0171 is the trouble code for a lean condition at bank 1. This can be caused by a wide variety of issues, primarily issues with the engine management or fuel systems, and therefore can sometimes be difficult to diagnose....
Question
Do I have to "burp" my radiator?
No you do not. You should make sure the overfill expansion tank is filled to the full line when engine is cold. Use 50/50 coolant mix.
Question
Engine seals are leaking oil
As you may know, there are many different oil seals throughout the engine that can leak. In order to further narrow this down, it may require the vehicle to be inspected to determine specifically which seals are leaking and need...
Question
Loud noise under car- only when turning- and hard to steer
Hi there. In most cases, when the car is hard to steer and you hear noises, it's due to low power steering fluid. However, it could also be caused by a damaged serpentine belt or power steering pump pulley. The...
Question
Door chimes when locking car
Hi there. You might want to contact your local Subaru dealership for assistance with this; as we're not sure if this is possible to complete. They would be able to provide you with the right information. Thanks for writing in...
Question
Rod Knock, Timing belt or What? 2013 Subaru WRX
Hello - engine noises can sometimes be difficult to diagnose, especially without actually hearing it. Rod bearing noise can sometimes best be confirmed by snapping the throttle open ( aka "blip" the engine), if you get the rapping noise then,...
Question
Strange thump ever tire rotation when I turn left or right.
Hi there. When turning the wheels and the thumping noise is only occurring when the wheels are turned, then the outer joint on the CV Shaft is sticking. I recommend replacing the CV Shaft to the wheel that is making...
Question
My 04 STI has been broke down for a year and a half and I only got to drive it for three weeks. :(
I would recommend inquiring as to whether you can provide your own parts or if the parts must be provided by the repair facility. If you cannot provide your own parts, I would recommend searching around for a repair shop...
Question
ABS light on and Error 55 code , and clunking when turning wheel 2006 Subaru Legacy
Hello the "Error 55" usually indicates a failed wheel speed sensor (or dirt or corrosion preventing one of them from reading correctly). This failure is probably what is turning on your ABS warning, and prevents cruise control from working (intentional)....
Question
Coolant leaking
Hi there. Trying to find a coolant leak can be pretty easy; or incredibly complex depending on multiple variables. In most cases a coolant leak comes from a coolant hose that has developed a hole or has split. It can...
Question
Car says "run mode change system check"
Hi there. This problem seems to be unique to Subaru's and tends to be caused due to a failure within the ECM. The only way to pinpoint the source of this code and determine a course of action is to...
Question
I want to know what kind of muffler and tips to put on my Subaru to make it loud that won't mess it up
Hi there. Unfortunately, we don't provide tips or advice on aftermarket part upgrades. You might want to consult with a local performance shop or search online for Subaru forums where car owners discuss upgrades like you're inquiring.
Question
Need information about a Blow Off Valve
Hi Marc, First, it is important to understand what a blow off valve does and what it's function is on a turbo charged motor. The only job a blow-off valve is supposed to perform is to relieve excess turbo pressure...
Question
Check Engine Light Won't Come Off.
Hello, and thank you for writing in. There may be several other issues going on with the vehicle. The first to check is the TGV (tumble generator valve) sensor. It may need to be replaced, or the valve may need...
Question
How much will it be to replace my timing belt and have them installed?
Hi there. Without knowing the specific OBD-II error code that you're receiving, it's hard to tell you for sure that the timing belt needs to be replaced. Quite often, error codes similar to this are caused by sensors that are...
Question
grinding noise (not squealing) when brake
If the issue did not exist prior to the work being done, then the cause of the unusual noise is due to the pads and/or the interaction between the pads and the particular finish that was left on the rotor....

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