Showing articles & questions for topic
low engine pressure

Related articles

Symptoms of a Bad or Failing Manifold Absolute Pressure Sensor (MAP Sensor)
Common signs include excessive fuel consumption, lack of power, and failing an emissions test.

Related questions

Question
Had a Low Engine Pressure light and now the car won't start.
The low pressure light is your oil pressure for the engine and if you loose the oil pressure to all the internal bearings can cause major engine damage. You will need to have your engine checked to see if this...
Question
Check Engine light on; engine revs and has reduced power
Your 2003 Envoy seems to have quite the variety of symptoms, and these could indicate a variety of problems. The smell of gas may be due to a fuel leak or may be an issue with the EVAP system. Or...
Question
Low oil pressure noise some noise front of the engine 2001 Mercury Grand Marquis
Hello - yes, low oil pressure and high miles can certainly product a metallic clattering from the timing chain set, as well as knocking noises from worn connecting rod bearings and crankshaft main bearings. If you are getting low oil...
Question
Why am I losing compression on cylinder #4 on my 2006 Mazda 6
Hi there. If you are feeling air pressure coming out of the engine in this area then you have a problem with warpage or a crack that is not seen. Once everything is put together and torqued then you should...
Question
Truck had a lot of smoke coming out the day before and it kept shutting off. Now wont start.
Hi there. Depends on what type of smoke was coming from the engine and where it was coming from. If the smoke was coming from the exhaust pipe, then either fuel or oil has entered into the exhaust system through...
Question
1 cylinder is down on compression 2005 Subaru Legacy
Hello - there are several possible causes of low compression on 1 cylinder only. Causes include: burned valve, worn piston rings (not common for a single cylinder), worn camshaft lobes (not allowing full air charging of the cylinder), valve adjustment...
Question
Is my car toast?
having low compression in one or more cylinders with oil fouling of plugs will indicate a bad piston or piston rings. If the engine is more expensive to replace then the prive to repair and is over the value of...
Question
Help me please
If you have one cylinder that is low on compression and leaking oil into the cylinder then you have broken piston rings or a hole in the piston. The engine should have a cylinder pressure test to see if you...
Question
I have a 2006 Ford F-150 triton V-8 one of the cylnders is not getting compression
If you have one cylinder not producing compression then you need to find out why it is not getting compression first. You should have a cylinder pressure test to see if you have excessive air leaking due to a bad...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question