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L4-2.7L

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Venza 2010 L4-2.7L: My check engine light is permanently turned On. I have these codes P0012, P0016, P0017. What needs to be fixe
These are fault codes indicating problems related to the timing of your car's engine. Normally the car will not run very well or sometimes not at all when these are on. I would suggest having an expert from YourMechanic come...
Question
Engine is misfiring and Check Engine Light is on - 2002 Toyota Tacoma
Hello. A flashing Check Engine Light is a sign that the computer has detected an issue that could potentially damage the vehicle's emissions components. I would recommend scanning the trouble codes when the light is flashing in order to determine...
Question
Loud squealing sound - 2014 Toyota Tacoma
Hello. Your description sounds like a clutch release bearing - aka throwout bearing. With only 30,000 miles, you might want to check in with Toyota. I don't know if they would consider it part of their powertrain warranty or if...
Question
Front Passenger Lock sometimes does not lock with a remote control or by locking button located on either doors.
The solenoid is on the door latch and is most likely the cause of the problem for your 2005 Toyota Tacoma. If you want to have this inspected and repaired, a certified technician from YourMechanic can come to your home...
Question
Speedometer cluster lights malfunction
Hello. When this happens it usually means that the bulbs for drive and park have burnt out and need to be replaced. In some cases the entire strip lights have to be replaced to fix the ones that have burnt...
Question
Brake light illuminated on the dash
Hello. The brake fluid level switch is probably getting stuck in the master cylinder causing the light to stay on. There could also be a leak in the brake system which would cause the light to stay on. What is...
Question
Rear end squeaking noise
Hello. It is possible that the axle bearings are causing the squeaking noise that you hear, but axle bearings usually make a roaring or humming noise. Another possibility is that the rear brakes are low and causing a squeaking noise...
Question
Lights on the shift selector quit working
Hello. There is probably a problem with the neutral safety switch. The neutral safety switch is an important part of the car being able to start while in park and/or neutral and it allows the reverse lights to come on....
Question
Troubles starting the truck, when it's warmed up
Hello. It sounds like there could be a problem with the coolant temperature sensor not sending the proper temperature to the PCM. This will prevent the PCM from giving the right amount of fuel when the truck is warm. This...
Question
My Check Engine Light is on and my truck does not idle when cold. Do I need a new crankshaft position sensor or is this an ECM or timing chain issue?
Hi there. Your vehicle has an idle air control valve that adjusts the idle via commands by the ECU. What it sounds like you adjusted was the throttle plate position when it was closed and had no adjustment on the...
Question
How does a repair shop verify it's the fuel pump and not something else before they do the repair?
Hi there, thanks for writing in. I'd be happy to help. The shop will first scan the computer to see if there are any codes stored that would cause the loss of power. Then the fuel pressure would be tested,...
Question
Can a gasket leak from the intake leak air into the cooling system?
Hi there. An intake gasket leak would allow unmeasured air into the intake and create a lean condition, not an overheating issue. Base on what you've described, it sounds like you may have a leaking cylinder head gasket. Adding sealants...
Question
Transmission fluid - 2007 Toyota Tacoma
It is definitely time to have it changed. There should not be any issue with changing it at this point even if it is overdue. Have a local technician, like one from YourMechanic, perform a transmission fluid service on your...
Question
Coolant system
Hi, thanks for writing in. The P0115 code is for a temperature sensor that is open or shorted. This could be a failed sensor, or just that the engine temperature has gotten to a point that is outside of normal...
Question
Bumping noise when not moving
This noise or sensation can be caused by the slip yoke on the drive shaft. If there is not enough grease in the splines of the yoke, it will bind as the driveline geometry changes from under load to a...
Question
Transmission slips
The transmission may be slipping internally from a bad clutch servo or it has an internal seal leak. Have the transmission tested for proper pressures to see if it is a solenoid issue or the seals are leaking causing it...
Question
My car has electrical issues - 1997 Toyota 4Runner
Hi there. Was the 40 amp fuse you replaced for the starter? Check all the other fuses and replace as necessary. A draw test on the starter may uncover a possible cause if there is excessive electrical draw overheating the...
Question
rattling sound in the engine
Hello there; many faults will cause a knocking noise when your 2012 Toyota Sienna is put into gear. The timing chain tensioner is one of the many possibilities. Other possible faults would be the flexplate, belt tensioner, idler pulley, engine...
Question
The key won't turn the ignition
Hi there: Sometimes the issue you're describing is caused by damage to the ignition lock cylinder. Inside the lock cylinder are a series of tumblers where the key is inserted. If any of these components are damaged, out of alignment...
Question
MY truck wouldn't start this morning after several attempts, now it does. What could have been the problem.
Hi there. From the description you have provided, leads me to believe the slow and no crank may be, a battery and/or battery connection issue. It could also be, a faulty starter relay or starter concern. Proper diagnoses should be...

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