Popular questions

Question
Dealer found error codes C1231 and C1201. Does my car have a faulty steering angle sensor and need a new charcoal canister?
Hello. Go back and speak with your Toyota dealer. There is a Technical Service Bulletin (358305) that addresses the two problem codes and scenario you describe. The dealer will update the software for the ABS system to correct this problem....
Question
No crank/No start and reads No Bus on dash, PRDNL123 Illuminated. 2004 Dodge Stratus
Hi there - first thing to check is for problem codes, whether the Check Engine light is illuminated or not. Any codes found here will help guide diagnosis. Your car, as does virtually all cars in this century, utilizes a...
Question
2007 Infiniti fx35 cranking but not starting. Do you know what the problem might be?
Hi there. The fuel pump is not energizing and causing the engine to not start. Check the fuel pump relay and listen for it to click. Also listen for the fuel pump to hum when the key is turned on....
Question
Transmission oil cooler changing, does it involve a/c?
The automatic transmission/power steering cooler is mounted in front of the A/C condenser. Only the front grill needs to be removed and the A/C should not need to be disturbed. Have another certified mechanic, like one from YourMechanic, verify the...
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The power steering is making a grinding noise?
Hi there. If the power steering fluid is aerated, I would look to the power steering fluid supply hose fitting at the power steering pump. The inlet fitting o-ring is a fairly common failure and allows air to be drawn...
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My steering assist, I believe, is going out at random in my 2006 Pontiac G6.
The two recalls that you are referring to implicate only vehicles equipped with electronic power steering. Not all G6 production in 2006 was equipped with such a system. For example, if your 17 character VIN sequence has a "B" in...
Question
If the intake manifold has a huge piece broken off of it will the car still start then cut off ?
If the broken off piece is admitting unmetered air to the intake, then yes that will have the effect of stalling the engine. A big initial concern is be sure no debris gets in there because anything in the intake...
Question
Knocking from front right tire after getting a flat and putting a new tire and rim on. 2003 Olds Alero
Hi there. Chances are the noise heard from the right front wheel is the result of the replacement rim and tire. This may not be safe to drive and should be corrected, before continued driving. If the rim is correct...
Question
How many motor mounts does a 07 ford five hundred have?
You have two motor mounts and one transmission mount.
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Rhythmic moaning noise that starts at ~30mph and grows in intensity as speed increases - what could it be?
Hey there. This is a common sign of failing wheel bearing(s). A wheel bearing will usually fail due to pitting or small damage on the surface of the rollers or the bearing race. Both the surface of the rollers and...
Question
P0135 O2 sensor heater circuit bank 1 sensor 1
Hello. P0135 is the code for an oxygen sensor heater circuit malfunction, bank 1 sensor 1. If bank 1 sensor 1 oxygen sensor has been replaced, then it may be possible that the issue is with the wiring or connector...
Question
Fan pulley wobbles and makes some noise. On 03 Sequoia SR5. On side of road now!
The fan pulley is attached to the water pump and if you can move it up and down then the water pump is bad and needs replaced. Have a mechanic like one from YourMechanic check it to see what all...
Question
What does it mean when the eps light won't go off in your car?
If the EPS light is always on, it means the vehicle's computer is reporting a fault in the electronic power steering system. A mechanic can download the trouble codes from the computer that have caused the alert, and then follow...
Question
Codes P0016 and P0017
Hi There, Code P0017 relates to the crankshaft position sensor. A crankshaft position sensor is an electronic device used to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the...
Question
The overdrive light is flashing on and off and the check engine light come on would that be something in the bellhousing
Not necessarily. The fault could easily be in an engine control system that "indirectly" affects transmission operation. The best thing to do is download the diagnostic trouble codes which will give a general indication of he fault but to actually...
Question
Ticking noise from engine
Hello. A ticking noise can be caused by a variety of components. Does it increase in speed with the engine? Does they typically happen in while warm or cold, or does it happen constantly? It may be a lifter or...
Question
Replaced only 1 tire in AWD vehicle.
It is recommended on any vehicle with AWD (all-wheel-drive) to replace all four tires at the same time. The reason behind this need is due to the computer on the vehicle constantly monitoring the speed of each wheel. The computer...
Question
My car won't stay on unless I keep my foot on the gas
Hi There, It sounds like you may have a dirty or failing idle air control valve causing your engine idle to fluctuate. The idle air control valve is a small valve on the engine's intake system that reads the air...
Question
My Yukon Denali is AWD. With front tires off the ground, should the drive shaft and both tires spin freely of each other?
Hi there, thanks for writing in. I'd be happy to help. This is a normal thing. Your front axle carrier has an electronic actuator that locks it in only when the transfer case is locked into 4WD. The fact that...
Question
Vibration when 65+mph or when stoping
Whenever there are multiple causes of vehicle vibration, which is probably the circumstance you face, it is best to fix the obvious causes first because that will greatly simplify diagnosis and identification of the remaining causes. So, in your circumstance,...
Question
My truck feels like it wants to shut off when I'm parking or at an idle.
Hi There, The throttle position sensor monitors the throttle position of the throttle plate inside the throttle body in relation to your foot position on the gas pedal. Based upon the inputs from the sensor reading your foot's position on...
Question
Extremely lean fuel trim
Hi there. After completing an error code download to verify if this is an electrical glitch first, the next step most professional mechanics would complete is the fuel pressure test. This tends to be the source of an across the...
Question
I replaced pcm and now I'm getting code u0100 and p0700. Battery is new and not holding enough bolts. Something is draining it. Wh
To determine if the cause of those two codes is low voltage, I would simply fix the parasitic power draw first, reset the PCM (erase the codes) and see if the problem recurs. The cost to resolve such an electrical...
Question
Major coolant leak when aircon is turned on
Hi Mel. Thanks for contacting us today. Generally speaking, the operation of the AC system should not create a coolant leak to occur, as coolant does not flow through the AC unit in any capacity. However, an engine will "work...
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I think I accidentally put diesel fuel in my 2015 Nissan Altima.
Hi there. Yes, it is possible to put diesel into any vehicle as not all nozzles are differentiated. If this has happened, it's not all bad, but not all good. The bad news is that all the fuel will need...