Q: Q: Car running rough.

asked by on

I put on upper and lower manifold gaskets and now the car is showing a code and running rough.

Hi there. If the car is showing a code it would truly help to know what the code is. If the car was running fine prior to the gaskets being installed and it is running rough now then it is possible that something was not installed correctly or something may be loose. If you have a poor connection at a spark plug wire or possibly a hose that was not connected securely then this will occur. A mechanic would start with scanning the computer as the code tells us if it is related to air flow in the engine or if there is something externally that is going on. If you are not comfortable performing these tasks you should enlist the help of a certified mechanic, like one from YourMechanic.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Q: Car running rough.

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

Get a quote

What others are asking

Q: White smoke comes from my exhaust when I hit gas. When wet underneath it looses power.

white smoke pouring from the exhaust while the vehicle is running is usually a sign of a failed head gasket seal. This failed seal allows coolant into the combustion chamber and the white smoke you see is the steam from...

Q: Q: Car clicks and doesn't start.

Even though it just clicks the battery can still be the problem. Low battery voltage wont have enough juice to turn the starter all the way. The partial engagement will sound like a click. A few other things like bad,...

Q: Car won't start, can hear fuel pump humming so I tried starting fluid in air intake and it ran for few seconds..this is second tim

You should have the computer tested to see if you have cam or crank sensor codes. You may not be getting the injectors turning on due to the camshaft sensor or a weak spark from coils. After computer test then...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...