Question about Chevrolet Optra
I dont think so try using a different oil filter or higher octane gas
Posted on Jun 05, 2015
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Posted on Jan 02, 2017
DOES IT HAVE A LOT OF MILES ON IT OR MAY BE THE OIL PUMP IS IS GOING OUT? THERE IS A SPRING IN THE PUMP THAT IS A BYPASS FOR HOW HIGH PSI IT MAY HAVE BROKE THAT WILL GIVE YOU LOW PSI.
Posted on Jan 18, 2009
depending on what engine, you may have adjustible lifters. aIf it doesn't you may have a lifter bleeding down. you may want to try a bottle of lucas additive your next oil chang.
Posted on Sep 16, 2009
if the oil level is ok,and the noise is coming from the top of the engine i would think also in the lifters,if is from the bottom,then the problem is in the crankshaft bearings,either way that would cost you some good money to fix it,i would recomend to add STP or Lucas engine restore to help the engine to lubricate better,they dont fix the problem but help to run you engine for a lots of more miles before you come up with some resourses to fix it wich is only possible replacing the parts,they cant be adjusted
Posted on Sep 17, 2009
there are no adjustments that you can do. a dealer or someone that specializes in toyota is the only ones that can/should do an adj for you. If that really is the case.
Posted on Sep 17, 2009
That is normal. As you accelerate and rpm's increase the oil pump rpm increases. I think the oil pump runs 1 to 1 or 2 to 1 with the crankshaft rpm. Check the oil and inspect for any visual leaks if the gauge does not operate like that consistently. If it is intermittent or it just started acting that way, the sender my be bad. Other than that any Chevy Dealer will say that is normal.
Posted on Jun 01, 2010
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