Question about 2001 Chevrolet Cavalier

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Oil pressure light comes on after engin fluid flush and oil sencer change what could be the problem

Have changed oil filter and oil 3x after oil pressure sencer no noise from engin can I put off oil pump replacement for a couple of months

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  • Chevrolet Master
  • 16,166 Answers

The oil pump is the next step.
It could be bearing or other things like blocked return flow that did not come out with the flush, bearings on the cam shaft etc.

Posted on Nov 23, 2013

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Posted on Jan 02, 2017

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  • 38 Answers

SOURCE: Low Oil pressure light in idle at stop

Depending on the amount of miles, maintenance records, or how hard the car has been driven either by a previous owner, or by yourself. The engine's main crankshaft bearings or the connecting-rod bearings could be excessively worn.

Also, it could very well be a wiring problem to the sensor and/or computer causing the problem.

Posted on May 16, 2008

  • 321 Answers

SOURCE: Chevrolet Malibu 2001 Transmission Flush or not

75,000 miles isnt alot of miles,unless they were mostly city miles. If you aren't experiencing any transmission problems,i would drop the pan,change the filter and whatever fluid the pan holds,and hold off on flushing the entire sytem.The clutches and bands sometimes don't do well when shocked with ALL new fluid that contains a certain amount of detergent.The only real problems i have seen with the total flush is on Dodge trucks of the 90's up to even 2000 and some later models,the transmissions use a governor pressure sensor,and solenoid,and i have seen many of them set codes after the flush,and the components having to be replaced with new.Black fluid isn't a good indicator.Brown fluid,is better than black.And red fluid is the best.

Posted on Jul 07, 2008

tse22
  • 103 Answers

SOURCE: Transmission fluid flushing

In normal situations people do not flush their trannys. Your would normally just lower the pand and change the filter and replace the fluid that came out. If you are not having a problem with your tranny this is what I would suggest. As the fluid gets older the tranny gets "used to" the old oil that is in there. When you add new fluids the new fluid contains detergents that clean the internal parts as they circulate. Unless this is the first time you've been to the recommended mileage for changing the fluid (I.E. 30,000 miles) you could flush it. If you do not know the history of changes, or if you are at, lets say 100,000 miles I wouldn't recommend flushing it. When the new detergents clean out the parts they remove gunk that is actually helping the transmission. Don't get me wrong, you don't want a whole lot of gunk, but you also don't want to remove gunk that for example is holding a pin in place, so the pin falls out (just an example) I hope this wasn't too hard to understand, and I hope I answered your question.

Posted on May 18, 2009

  • 1986 Answers

SOURCE: Oil Pressure Light Comes On after 10 min of Driving

You may not have put the right amount of oil in your car, your oil pressure sensor could be faulty, or you may have a leak.

By revving your engine, you're increasing the pressure and thus turning off the light and making the sensor think that it's at the correct pressure.

Posted on Sep 08, 2009

  • 23 Answers

SOURCE: low oil pressure after engine warms up in 94 blazer with 4.3

I have a 99 blazer and ever since I have owned it, it reads lower in pressure when idling, but will go up too 40 while driving. This is normal for the vehicle. If the pressure gets real low, and stays low, it means its time for an oil change.

As long as the pressure goes up when you give it gas, it is fine.

Posted on Jan 09, 2010

Testimonial: "But why has it started reading low, especialy after the new oil pump was put on. It read a constant 40 even when idling before."

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1 Answer

My Holden statesman 95. The oil light on the dash bord is coming on and off, i know that is the oil pump or a blockage.. what is the best way to fix it?


It may be the oil pressure sensor at fault.
It could also be a sticking oil pressure relief valve.

Before you start replacing expensive items like oil pumps, start with the easiest and cheapest first.

Presumably the engine oil level is ok? and it isn't overdue an oil/filter change?

Your car doesn't have an oil pressure gauge? Knowing what your oil pressure was would be of help. A workshop would be able to check your oil pressure using something similar to what you see in the link below:
***** in oil pressure tester

Check your oil level first.
If the car is due an oil/filter change - do it.
If changing the oil consider using an engine flush:
engine oil flush Google Search

Then, try changing your oil pressure sensor. You should be able to pick one up at any car shop. It screws into the block and has an electrical connection.

The link below shows generic images of oil pressure sensors:
holden statesman oil pressure sensor Google Search

Mar 23, 2016 | Holden Cars & Trucks

1 Answer

Oil light comes on when l start van then goes off..oil pressure is at 4


It may just need an oil flush and filter change, yes.
It could also be the oil pressure relief valve that is sticking.It may even be the oil pressure transmitter switch that is faulty (not a big job to replace..).
However, try a filter and oil change first. Before the old oil is drained from the engine, try adding an oil sludge clearance additive. Link below will show you what it looks like.
oil flush Google Search

If the oil pressure relieve valve is sticking, the additive-flush may unstick it, before you fill with fresh oil. Use a quality oil - not a cheap brand

To put things into context, as oil breaks down with miles and age it becomes less 'pumpable' around the engine. If there was something wrong with your engine in the crankcase area you would probably begin to hear knocks and rumbles as the bearings break down. You haven't mentioned any noises.. I don't think you have much to worry about.

The first thing you do is flush the oil system using an additive and then refill with fresh oil and a filter. You can also add an 'oil booster' additive if you wish:
oil booster Google Search

Mar 03, 2016 | 2005 Pontiac Montana

1 Answer

Oil light comes erratically on 92 accord


my guess is one of three things:

1. clogged inlet or worn out oil pump gears: change oil pump
2. Engine is tired and has leaky loose bearings and journals, hemorrhaging oil out all internally bleeding places. Engine flush unclogged the varnish that was holding oil pressure up. Rebuild engine or change when current engine blows.
3. Bad oil pressure sensor causing strange readings. Diagnose actual oil pressure and change sensor if needed.

These vintage honda engines are everywhere for cheap at junkyards. i wouldnt pay more than 350 for one.

Feb 17, 2015 | 1992 Honda Accord

1 Answer

Peugeot 308 low oil pressure and loss some power


Low oil pressure starts from oil pump sounds like its blocked either in the pump filter or galleries in the enging. I would first call the dealer and check what filter system is on the pump which may require removal of the sump to replace or clean.

I would certainly not use a car with this problem as it could well cause engine failure. Try a good quality flush first and run the car for 20 minutes minimum on tick over. Remove and put a good quality oil in and do another oil change again if required a month later with a flush to make sure the gunge is out.

If this does not help do an oil pressure test and see what it comes out at checking the manufacturers recommended pressures. If you have changed the oil, pump filters and done a second oil change and still get low pressure then you may well have a faulty pump.

I would also check the oil pressure switch to make sure it s not giving a false reading. The loss of power sounds like Turbo failure and again dirty oil to the Turbo oil feed pipes could be restricitng flow, hence why regular flushing oil and filter change is important.

I would get the Turbo checked out same time as on this model it could well be a Turbo and engine change if its gone that far due to the metal particles contaminating the engine.

Jul 11, 2014 | 2010 Peugeot 308 HDi

1 Answer

Oil pressure switch sending


you could have a blocked vain in the engine this would cause the light to come on. when changing the oil you should use oil change fluid before changing the oil it helps remove the old deposits and they get stuck in the oil filter.. then do the oil and filter change

Aug 14, 2013 | 2005 Opel Corsa 1.4

1 Answer

What type of Maitainence is required for a 2007 Crysler Sebring 60 - 70k miles?


The following is the scheduled mainainence per Chrysler at 60,000 miles:

1. Change engine oil & filter
2. Air cleaner filters
3. Rotate tires
4. Check spare tire pressure & stowage
5. Change automatic transaxle fluid & filter
6. Engine coolant flush (every 60 months or 102,000 mile whichever comes first)

I hope this helped and good luck

Feb 12, 2011 | 2007 Chrysler Sebring Sedan

1 Answer

What is oil change schedule for 2007 DTS also transmission fluid change schedule


Your vehicle's engine requires oil meeting GM Standard GM6094M. You should look for and use only an oil that meets GM Standard GM6094M. SAE 5W-30 is best for your vehicle.
The best Brand is 5W-30, Mobile 1 synthetic oil, but you can use Castrol GTX 5W-30, too. It is very important to use only one barand of engine oil.
When the CHANGE ENGINE OIL SOON message in the Driver Information Center (DIC) comes on,
means that an oil change service is required for your vehicle.
If the engine oil life system is ever reset accidentally, you must service an oil change for your vehicle within 3,000 miles (5 000 km), or three months wichever comes first, since your last service.
The maintenace tune ups for this car are scheduled at 25K, 50K, 75K, 100K and so on.
Dealer recomend to change the transmission oil and filter at Maintenace II, at 50K, and the air filter too. Use only DEXRON®-VI Automatic Transmission Fluid.
The dealer sugest to flush the radiator every 75K and use 50/50 mixture with distilled water, and use only DEX-COOL. I recommend to flush every 50K.

Oct 25, 2010 | 2007 Cadillac DTS Sedan

2 Answers

How often should I change the Transmission fluid, normal driving ? Thank you Gary


It's listed in your owner's manual. Schedule A is normal driving conditions.
SCHEDULE "A"
7,500 miles (12 000km) or at 6 months
- Change engine oil.
- Replace engine oil filter.

15,000 miles (24 000km) or at 12 months
- Change engine oil.
- Replace engine oil filter.

22,500 miles (36 000km) or at 18 months
- Change engine oil.
- Replace engine oil filter.
- Inspect front wheel bearings.
- Inspect brake linings.

30,000 miles (48 000km) or at 24 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace spark plugs.
- Drain and refill automatic transmission fluid and filter (4.7L).

37,500 miles (60 000km) or at 30 months
- Change engine oil.
- Replace engine oil filter.
- Drain and refill automatic transmission fluid and filter (5.2L/5.9L).
- Drain and refill transfer case fluid.

45,000 miles (72 000km) or at 36 months
- Change engine oil.
- Replace engine oil filter.
- Inspect front wheel bearings.
- Inspect brake linings.
- Flush and replace engine coolant at 36 months, regardless of mileage.

52,500 miles (84 000km) or at 42 months
- Change engine oil.
- Replace engine oil filter.
- Flush and replace engine coolant if not done at 46 months.

60,000 miles (96 000km) or at 48 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace ignition cables (5.2L/5.9L).
- Inspect PCV valve, replace as necessary.
- Replace spark plugs.
- Inspect auto tension drive belt and replace as necessary (5.2L/5.9L).
- Drain and refill automatic transmission fluid (4.7L).

67,500 miles (108 000km) or at 54 months
- Change engine oil.
- Replace engine oil filter.
- Inspect front wheel bearings.
- Inspect brake linings.

75,000 miles (120 000km) or at 60 months
- Change engine oil.
- Replace engine oil filter.
- Drain and refill automatic transmission fluid and filter (5.2L/5.9L).
- Drain and refill transfer case.
- Flush and replace engine coolant if it has been 30,000miles (48 000km) or 24 months since last change.
- Inspect auto tension drive belt and replace if required.

82,500 miles (132 000km) or at 66 months
- Change engine oil.
- Replace engine oil filter.
- Flush and replace engine coolant if it has been 30,000miles (48 000km) or 24 months since last change.

90,000 miles (144 000km) or at 72 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace spark plugs.
- Inspect front wheel bearings.
- Inspect brake linings.
- Inspect auto tension drive belt and replace as necessary.
- Drain and refill automatic transmission fluid (4.7L).

97,500 miles (156 000km) or at 78 months
- Change engine oil.
- Replace engine oil filter.

105,000 miles (168 000km) or at 84 months
- Change engine oil.
- Replace engine oil filter.
- Flush and replace engine coolant if it has been 30,000 miles (48 000km) or 24 months since last change.
- Inspect auto tension drive belt and replace if required.

112,500 miles (181 000km) or at 90 months
- Change engine oil.
- Replace engine oil filter.
- Drain and refill automatic transmission fluid and filter (5.2L/5.9L).
- Inspect front wheel bearings.
- Inspect brake linings.
- Flush and replace engine coolant if it has been 30,000 miles (48 000km) or 24 months since last change.

120,000 miles (192 000km) or at 96 months
- Change engine oil.
- Replace engine oil filter.
- Replace engine air cleaner filter.
- Replace ignition cables (5.2L/5.9L).
- Inspect PCV valve, replace as necessary.
- Replace spark plugs.
- Inspect auto tension drive belt and replace as necessary.
- Drain and refill automatic transmission fluid (4.7L).

Thanks for using FixYa -a 4 THUMBS rating is appreciated for answering your FREE question.

Sep 05, 2010 | 2001 Dodge Durango

3 Answers

What fluids and things should be oftenly checked and changed on the car?


Oil - 4-5000 miles
Brake - 2-3 years
Tranny - Every 5 years

Dec 01, 2009 | 1998 Mitsubishi Eclipse

1 Answer

Fixed check engine trouble code but light with same code comes on


Your transmission problem could be related to the TPS sensor. The TPS sensor indicated to the PCM when and what gear the transmission should be in. As for the Lucas and other additives to the transmission may be doing it more harm then good, As the transmission oil is thicker, the transmission line pressure increases. The PCM try's to compensate for that by letting the converter lock up clutch to slip and the fluid retention in the solenoid to change gears stick causing it to shudder between gear shifts. Recap, Check the TPS sensor readings and the Wire Harness. Look for loose connections and corrosion that may not be giving the proper readings to the ECM. Rescan the car for any DTC codes and most transmission chop can do that for you if your going to get it serviced there anyways. Have the transmission fluid flushed and filter changed, and have them do a transmission line pressure checked, there are additives out there to keep the fluid from foaming which is ok, but changing the fluid's weigh can cause transmission failure. Good luck and hope this helps and keep me posted, be glad to help.

Jun 14, 2009 | 1995 Buick LeSabre

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