Q: p0505 p1121

asked by on June 16, 2017
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Kia revving
Hello. If your Kia is idling at this rpm then the throttle plate may be sticking in one spot. It would be a good idea to start by cleaning out the throttle body. If that does not help then the...
Squealing when decelerating
Hello. Thanks for writing in about your 2000 Porsche Boxster. Most of the time this is caused by the pilot bearing in the rear of the crankshaft. When it fails it will make this noise at these times. I usually...
Trouble code P0455
You should have a mechanic use a smoke machine to test the system for leaks. The purge valve may be leaking causing it to not hold any vapor in the tank at idle. If this occurs it will cause the...
battery light comes on for a few minutes and goes off
Hi, thanks for writing in. Your charging system and battery should be performance-tested to see if either one is not up to specifications. You may have a weak battery that takes a few minutes to get above the point the...
Undercoat to prevent rust
Anything to cut off or slow the corrosion (https://www.yourmechanic.com/article/is-rustproofing-undercoating-worth-it-by-cheryl-knight) will help but may also cover damage from existing damage. The cost of undercoating is up to you, but it may not be worth it depending on how much you are...
Vibration when in idle and right on take off then stops
Among the possibilities are the engine is out of tune (scope the engine), the harmonic balancer is defective (has shifted; rubber bond is broken), a rotating element is loose (torque converter to flex plate connection; crank or other pulley), the...
Cold start issue.starts after few cranks after sitting idle for 15 hours.starts immediately after 10 hours.New battery & starter
Your engine has variable valve timing and uses oil pressure to work this system in the engine. It will not work correct and can cause starting issues if you are not using the correct 5w30 oil in the engine. The...
My car cranks but won't start. I can hear it trying to start and then there is a single thump noise.
There are many causes of hard starting but illustrative ones are a faulty engine coolant temperature switch (sensor), worn spark plugs, inadequate fuel delivery or pressure (e.g., clogged fuel filter), dirty fuel injectors, contaminated or old gasoline, malfunctioning idle air...

Related articles

2012 Toyota Sienna vs. 2012 Dodge Grand Caravan: Which One Should I Buy?
The battle of the minivans: Toyota Sienna versus the Dodge Grand Caravan. Both of these comfy people-movers provide options galore, and the minivan is meant to get everyone where they need to go safely and quickly, at a reasonable cost...
The Best Used Cars to Buy If Safety is #1
Maybe Maybe you’re a parent buying the first car for your teenager, or perhaps you’re a new parent and the safety of your little one is of the utmost importance. Or perhaps you're a safety-minded individual looking to make a...
The Best Used Cars to Buy If You’re a Caterer
If If you are in the catering business, you need a reliable vehicle that will provide you with what you need to transport your food, linens, and other supplies. Generally speaking, you're better off buying gently used, because you will...