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I meant the injector leak into the oil. lane 2004 GMC Sierra 3500. 6.6 liter Duramax (Vin 1) Like. Tow Master. 24781 posts · Joined 2006. #5 · Oct 24, 2011. Yes fuel in the oil could lock the engine up. If it happens again or if you notive oil on the dip stick rising youll need to get it fixed ASAP!3. I try to watch the gauge now and what started happening was that after about 3500-4000KM i would notice that the oil pressure gauge would go from running just under half. (275 on my gauge see picture attached) to just over the 1/4 line. If I changed the oil it would go back up to the half mark and stay there again until another 3500-4000 KM. 4.Jan 2, 2018 · 5 posts · Joined 2017. #1 · Jan 2, 2018. I just purchased a 2018 GMC 2500HD Denali and ever since I bought it I have noticed that the oil pressure gauge jumps around a lot. When it's cold the oil pressure will go all the way up to 100 psi then after it warms up, it will go back to around 60 but upon acceleration goes back up to close to 80 ...17 posts · Joined 2011. #6 · Aug 12, 2012. hey man your oil pump is attached to your belt so the faster your belt moves the faster the pump moves causeing the pressure to fluctuate along with the gauge. I had mine replaced a few years ago and i rarely make it past 40. Its common with trucks so dont worry about it.Troubleshoot. 2018 Chevrolet Silverado 1500: Complete Maintenance Schedule. 1 month ago. 04/22/2024. The Motor Guy. 04/22/2024. Maintain your 2018 …lzn197. 1819 posts · Joined 2010. #2 · Jun 30, 2011. Check and tighten your battery cables first. Some of the battery voltage fluctuation might be normal. Check your owners manual about the special feature your truck has that was designed to increase battery life. Gordon. 2004 Chevrolet Silverado Extended Cab Z71.Silverado Oil Pressure Gauge Fluctuations Reviews. 3 oil pressure is zero. Here's how: - Locate the oil pressure sensor near the engine block or the cylinder heads and unplug the connectors. On newer vehicles, oil pressure readings can be read by attaching an OBD2 scanner under the dashboard. From buying research to owner support, join 1.Checked the oil levels one more time (fine). Removed the oil filter and put on adapter & gauge. Ran the truck. The truck's Oil Pressure gauge resumed the same behavior, except now it is more likely to drop to zero reading and remain whereas before it fluctuated 5-40. The manual gauge showed normal readings ~40psi with increases with RPM.Oil pressure gauge stops working. There are several reasons why the gauge will stop working. It could be that the gauge is faulty, you need an oil change, or the associated fuse is blown (electrical gauge). The best thing to do is that should ask your mechanic to check the oil level first. If the oil level is low, then you need to top up.The oil pressure check valve inside the pan is designed to open at 55 psi to bypass the oil filter in event of oil filter failure. If your running more than 55 psi at highway speed. Your oil filter is being by passed and allowing contaminants into the engine. My suggestion is run it. If it is not ticking or knocking.226 posts · Joined 2013. #1 · Nov 8, 2015. Last week I noticed my oil pressure gauge was fluctuating at random times between 20 - 60psi. I kept a watch on it & it started acting normal again until last night. While driving to the store I noticed the oil pressure gauge had pegged out at 80psi. Of course I freaked out and started to pull over.The oil pressure has slowly been decreasing over the 2 years as well (was at 30-35PSI cold start with 5W30), I chalked it up to bearing wear, but the sudden loss of oil pressure makes me wonder if it's possible that the bearings are ok and that was just the first signs of something going wrong in the lube system.The oil pressure check valve inside the pan is designed to open at 55 psi to bypass the oil filter in event of oil filter failure. If your running more than 55 psi at highway speed. Your oil filter is being by passed and allowing contaminants into the engine. My suggestion is run it. If it is not ticking or knocking.Dec 3, 2014 · 283 posts · Joined 2014. #7 · Dec 4, 2014. I had to replace the oil pressure sensor in both my '05 GMC and my wife's '06 Tahoe. In my GMC, it pegged and never came back down. In the Tahoe, it pegged and then a day later went to zero and moved slightly with acceleration. Replaced the sensors and back to normal.Neal. 102 posts · Joined 2012. #2 · Feb 2, 2015. My 2012 at hot idle in drive is 30, going down the road at 45 mph it runs pass 40psi probably closer too 45psi. First startup engine cold the oil pressure is right around 40 psi or just slightly under at idle. Welcome to the forum. 2017 Silverado 1500 5.3 4x4. Like.Assessing Oil Pressure on Certain Full-Size GM Pickups. Should you encounter a fluctuating oil pressure gauge on certain GM pickups, namely the 2019-2020 Silverado 1500 and Sierra 1500 (particularly with the L3B 2.7L four-cylinder engine), there's no need for alarm. The trucks employ a variable displacement oil pump that, in certain driving ...A clogged or dirty air filter is one common cause of RPM fluctuations at idle. When the air filter is dirty, it restricts airflow to the engine, which can cause the RPM to fluctuate. Another potential cause is a dirty throttle body, affecting how the engine receives air and fuel. Vacuum leaks can also lead to RPM fluctuation at idle.MacQ. 1029 posts · Joined 2016. #3 · Jan 242016 Silverado LT 4x4 Crew Cab 2017 Suburban L You definitely would be hearing lifters and rattle it it is 0 psi. Nope. It's quiet. Probably the screen and or sensor. You could always stop by a part store and get a gauge to test it. Maybe change the filter just in case if you think the preasurr is definitely low. I don't think the pressure is low.Demska32. 1 post · Joined 2021. #26 · Apr 30, 2021. I have a 2003 GMC Yukon and when I turn the key to the instrument readings (2 clicks) the pressure oil gauge sits around 45-50, but when I turn it on it skyrocketed to 80. I changed the oil and filter as usual, but still the same. Assessing Oil Pressure on Certain Full-Size GM Pick Dash gauges or gauge cluster usually refers to the set of gauges installed on a vehicle's instrument panel used for monitoring temperature, fuel level, voltage, and oil press. A common example would be a truck speedometer and tachometer gauge. If a gauge or cluster of gauges is broken or malfunctioning, the problem may range from a faulty light bulb to needing replacement. Dashboard gauges are ...The oil pressure gauge was pinned to max all the time in our Chevy Silverado. With the ignition turned on and the engine off the needle would still go to max, but if you shut the … Oil stocks have been under pressure lately

Check the Voltage: A healthy battery should read around 12.6 volts. A reading below 12 volts might indicate a weak or failing battery. Consider Professional Testing: If unsure, many auto parts stores offer free battery testing, providing a more comprehensive evaluation. Evaluating the Alternator.2011 chevy Silverado 5.3 oil pressure gauge drops to zero after approximately 5 miles. ... 2018 silverado 4 wheel dr. Brand new 300 miles the oil gauge. 2018 silverado***** Brand new 300 miles the oil gauge holds at 40 lbs. pressure while driving when I stop at a red light the needle drops to zero and stays there until I give it little ...Have a mechanic check the oil level. Oil pressure gauge reading too low, generally below 15 to 20 PSI while idling. Cold weather can also make the oil pressure read low until the oil pump has had a chance to deliver the oil to the engine. Oil pressure gauge reading too high, or over 80 PSI while driving, especially at higher RPMs.Electric ones can corrode and, since the sensor is activated over a tiny range of electrical resistance measures, a bit of corrosion can cause wide changes in readings. Unlike many of the gauges on a car which are understandable with common sense and simple logic, the oil pressure gauge sometimes seems to be erratic.

If the oil pressure gauge on your Toyota is fluctuating or not working at all, the oil pressure sending unit may be the cause of the problem. The first thing to do with any oil pre...Find the sending unit’s location on the engine block to replace the faulty one. It’s often near the oil filter housing. Remove the old sending units from the engine block by unscrewing them. Then, place the new one into the engine block and screw it. Also, reconnect the tubes to the new unit and the oil pressure gauge.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Jul 23, 2017 · 39 posts · Joined 2017. . Possible cause: I feel like anytime I drove the truck, no matter the RPMs, my oil pressure was .