Skip the auto shop - Our mechanics make house calls

Q: Blue smoke coming from exhaust

asked by on

When car is under hard acceleration blue smoke is coming from exhaust

My car has a manual transmission.

A: Hi there, thanks for writing in about your ...

Hi there, thanks for writing in about your 1985 Ford Escort. You may have bad oil control rings or valve seals on the intake valves leaking. Try to make sure the PCV system is serviced and is clean to not cause excessive crankcase pressure. If the system is okay, then one of the other engine problems may be present. If you want to have this looked at, a local expert from YourMechanic can come to the site of your car to have the smoke problem correctly diagnosed.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
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

Get a quote

What others are asking

Q: What type of radiator does my 2007 Ford Escape hybrid need?

Contact the dealership and get a part number, then contact whoever you want to replace the radiator and have them cross reference the part number to obtain the correct radiator. I recommend replacing the radiator with an OEM-specified radiator that...

Q: There is noise on the car transmission in the beginning

Hi there. Usually, noises coming from the transmission at start up are caused by low transmission fluid or dirty transmission fluid that needs to be changed. If the transmission fluid level is okay and the fluid is not bad, then...

Q: Need to reattach the rear muffler

You can visit a local mechanic or take it to a local exhaust shop - whatever is best for you. If a bolt broke then it may be as simple as putting in another bolt, but I do not think...

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...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
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...