Hot at idle in drive, 20 to 30 psi.
Wiki User
∙ 2014-09-20 21:12:07At idle or deceleration.
40 - 80 psi at idle, depending on what the engine is.
Worn main or rod bearings if pressure drops at idle. Faulty gauge or sending unit. Faulty oil pump or clogged pick up screen. Piece of crap car. Etc.
Varies by engine. A Cummins will run about 40 at idle, whereas a PACCAR MX will run about 80.
nO. The main meaning of idle is: avoiding work; lazy. not working or in use. having no purpose or basis: idle threats.
Around 40
you don't, the idle air control IAC valve does it automatically. If your idle is off it has a problem like a vacuum leak, low fuel pressure, faulty or dirty IAC and others.
With key on engine not running pressure should be 9 to 13 psi Engine at idle pressure should decrease by 3 to 10 psi on a throttle body. On a multi port injection key on engine not running pressure should be 41 to 47 psi. Engine running at idle pressure should decrease 3 to 10 psi. Central multiport fuel injection key on not running should be 58 to 64 psi. Engine running at idle pressure should decrease 3 to 10 psi. Central sequential electronic fuel injection key on not running pressure should be 55 to 61 psi. Engine running at idle pressure should decrease 3 to 10 psi.
IT takes 7lbs. to keep the oil light out at a idle. It should have at lest 25lbs.to 30lbs. of oil pressure at or above 2500 rpms. If it has more that is fine to.
9 to 13 LBS (PSI) Correct answer is that if it is a 1996 to 2000 the correct fuel pressure is 60 to 66 with key on and not running 55 to 58 with it running at idle.
YOU CAN'T. It is NOT ADJUSTABLE. The idle is all computer controled.
How high is your idle? idle should be 800rpm good oil pressure is obtained at this idle
The idle is control by the idle air control motor from outputs from the Engine Control Module.
If your 1997 GMC 5.7L Vortec has a misfire at an idle but not while under throttle, the problem is likely the timing. This can be adjusted.
40 on idle
install a mechanical oil pressure guage. should be between 15 and 40 psi at idle and up to 50 at high RPM
the pressure at idle should be 40 to 44 psi