Question about 1993 Chevrolet K1500

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What is the normal operating oil pressure for my 1993 K1500 blazer I have 181,376 mileage on engine

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Minimum oil pressure for 1988 through 1995 gm 5,7 k1500 series is: 6psi @1k rpms and 18psi @2k rpms

Posted on Sep 21, 2010

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Low oil pressure indictor comes on when engine is idling and go's off when accelerating.


HI,

In normal condition, this telling you that the car has low oil level. Just check your oil deep stick when engine off at least 10 minutes to verify engine oil level. Top up oil if needed. I guess your car on low / minimum level just now.
Otherwise, your oil sensor gets malfunction.

Regards

Oct 18, 2011 | 1993 Pontiac Bonneville

1 Answer

Oil pressure is normal until it reaches200 degrees then oil presure drops to 10 pounds at an idle but give it gas and it goes up when its first started oil pressure is at 40 pounds until it reaches 200...


Oil pressure drop after reaching operating temp is normally caused by worn main bearings (depending on mileage).Worn bearings will allow pressure drop at idle and increase when accelerated above idle.

Jul 14, 2011 | 1999 Chevrolet Blazer

3 Answers

Engine balks and quits after reaching normal operating temp.


sounds like a fuel problem , water in gas , ......

Mar 09, 2010 | 1993 Chevrolet K1500

1 Answer

Low oil pressure 93 GMC P/U w/350 motor w/205,000 miles gauge


While engine is running, open the cover where you add oil to engine and see if you see a good flow of oil, if good flow, could be as easy as replacing oil sending sensor. got to realize that if poor maintenance history your engine may not be building enough pressure at iddle to move your hydraulic operated valves, only when you rev it up it will pump enough to run smooth. if running engine too long, you may cause more damage to other engine components such as crankshaft and cam shaft bearings. if you can spare a few bucks, have a good mechanic check your oil pressure with a mechanical gauge. another cheap option is to replace oil pump. last resort if you love your truck as much as we do,replace engine or rebuild it. At 205,000 this is a normal symptom, other than timing chain problems, most engines don't make it that far. hope this helps!

Mar 01, 2010 | 1993 GMC Sierra K1500

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2004 trail blazer knocking sound from engine. Started intermiten and then progressed into louder sound.


bad news...that generally is caused by a bad rod or main bearing (both require engine removal to do it correctly) Or, other cause can be a broken (cracked) flywheel. Bearing problems are generally accompanied by lower than normal oil pressure. flywheel just makes noise with no other symptoms. Have a good reliable shop check it It takes some real experience to differentiate between these noises so only use a shop with good techs and reputation.
If the noise is tapping and not knocking it can also be a rocker arm or lifter.

Nov 17, 2009 | 1993 Chevrolet K1500

1 Answer

1991 chevy S10 blazer fluctuating oil pressure


I assume from the year it has high mileage. With mileage comes wear in these engine's bearings allowing oil pressure to drop because of the excess clearance between cam and bearings, also the crank and bearings. When the engine is hot and idling the oil is thinner and goes by the bearings quicker. If you have good oil pressure while driving, I'd leave it alone, maybe use a thicker oil or some lucas additive. My 89 does the same thing sometimes in the summer, but don't remember it doing it this summer. I use Mobil-1 and an AC Delco filter.

Oct 17, 2009 | 1991 Chevrolet S-10 Blazer

2 Answers

I have a 1993 Chevy Truck that every once in a while will get a knocking sound from the engine at normal operating temperature. During this time the oil pressure will drop and it feels like the engine is...


One of two things is happening, either the oil pump is starting to go or the lifters are sticking. A small shot of water while the engine is running into the carb will take care of it believe it or not. Use a spray bottle or just drip very small amounts.It's like steam cleaning your engine.

Aug 18, 2009 | 1993 Chevrolet K1500

2 Answers

Low oil presure when hot in my k1500


if the engine has high mileage the lack of oil pressure could be worn main bearings.but if your lucky it could be a faulty oil pressure sending unit.fyi there are 2 sensors one is desingned to tell the ecm low pressure to shut off the fuel pump to prevent engine damage this would explain ur jerking

Mar 27, 2009 | 1993 Chevrolet K1500

1 Answer

Lost all oil pressure no oil getting to top of engine


mileage?..over heated? oil to top is function of oil pump and oil passageways ..bad worn lower engine (crankshaft/bearings)......oil pump push rod..under distributor driven gear down into block to oil pump in oil pan..clogged passages/oil filter/oil filter bypass...... do a oil pressure test while cranking from port on side of block low and determine if bottom end has the pressure first

Nov 15, 2008 | 1999 Chevrolet Blazer

1 Answer

1993 Chevy Blazer Oil Pressure


nothing ..normal low pressure at idle while hot ...but really should be thinking fresh oil change and filter soon..also what are the RPM's at idle hot in gear with A/C radio and other accessories running?

Nov 10, 2008 | 1993 Chevrolet S-10 Blazer

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