Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 That is the only current code I have left. Is the oil pressure sensor easy to fix? Do I need to drain the oil? How much is the sensor? Link to comment Share on other sites More sharing options...
padgett Posted May 5, 2009 Share Posted May 5, 2009 What is BD71 showing ? Erratic ? Does the oil warning light come on with the key on and engine off ? I normaly keep a spare oil pressure sensor around, they fail often and are critical since they are supposed to shut off the fuel pump if the pressure drops too low.That said the sensor is located on top of the oil filter housing and unscrews. With the right socket and a long extension you should be able to reach down approximately in front of the idler pulley. The 91 "L" uses a different sensor than the 88-90 "C" engine to accomodate the higher oil pressure relief setting. Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Can I get a part number? A price? Do I need to drain oil? I can't check yet cause my car is far away but I will later. The gauge is erratic with key on car off. But I get no oil light. When the car is on the gauge is pegged with no light. Link to comment Share on other sites More sharing options...
Ronnie Posted May 5, 2009 Share Posted May 5, 2009 No need to drain the oil to change the sensor. You can get the part number and the price at the auto parts store or online equivalent. Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Thanks. I'll get to that tonight. Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Checking advance and autozone I see no listing for oil pressure sensor. Is it called something else? Autozone has an oil pressure switch. Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Advance has one for the 92 riv. Would it be the same? ( autozone is far away) Link to comment Share on other sites More sharing options...
Ronnie Posted May 5, 2009 Share Posted May 5, 2009 AutoZone Part Number: PS227 Some call it a sensor. Some call it a sender. And AutoZone chose to call it a switch. I would get the one specified for the Reatta. Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Looks like I'll make a trip to autozone. Is it bad to drive like it is? Link to comment Share on other sites More sharing options...
Guest MauiWowee Posted May 5, 2009 Share Posted May 5, 2009 No problem driving it, but some of us prefer the Delco unit from a dealer. Maybe more money, but fewer trips for another one. Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Dealers still have it? Link to comment Share on other sites More sharing options...
padgett Posted May 5, 2009 Share Posted May 5, 2009 AC-Delco web site keeps giving me horns when I ask for oil press sw w/gaWells shows p/n PS-298 for the "C" engine and PS-227 for the "L". Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 5, 2009 Share Posted May 5, 2009 Thank you padgett. Link to comment Share on other sites More sharing options...
Guest daveagain909 Posted May 6, 2009 Share Posted May 6, 2009 is this the right part for a 1990?Duralast / Oil Pressure Switch Part Number: PS149 Price: $22.99OEM Brand: STANDARDOEM Part Number: PS227 Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 6, 2009 Share Posted May 6, 2009 BD71 is 255 at key on engine off and while driving. Fluctuates while idling in drive. Link to comment Share on other sites More sharing options...
padgett Posted May 6, 2009 Share Posted May 6, 2009 Either a bad "switch" (most common) or bcm (unlikely).PS149 - nyet - only appears to have one connector. Try a PS298 Link to comment Share on other sites More sharing options...
Guest Bugler Posted May 6, 2009 Share Posted May 6, 2009 Autozone shows the same part number for the 92 riv and 91 reatta. So I went to Advance and got the one for the 92 Riv. If they aren't the same, I'll go to Autozone. Link to comment Share on other sites More sharing options...
Guest Greg Ross Posted May 6, 2009 Share Posted May 6, 2009 Pretty sure I'm still using the Sender off the Original 3.8/ '88 engine. It has just recently (last week and a half) been intermittant "Electrical Problem" lit and the guage is pegged at 255 psi. Then occasionally it's purring along at 72 psi like always. A la '95 3800 with the higher oil pressure/ pressure regulator.Have mine conveniently located right on top of the engine behind the blower. (had clash with the 1/2 shaft at the time of the original swap tubed it up remote, figured it may as well be accessable!) Link to comment Share on other sites More sharing options...
padgett Posted May 6, 2009 Share Posted May 6, 2009 I have had so many GM oil pressure senders go bad that I normally keep a spare. '90 goes bananas at hot idle (from 1/2 way to 3/4s) but is right most of the time. 255 will definately set a code.In 1990 we bought a new Bonneville & headed off on a trip. Within 400 mile the oil pressure sender was acting up. There is even a TSB on it. Link to comment Share on other sites More sharing options...
Guest jcc3inc Posted May 6, 2009 Share Posted May 6, 2009 I have had the oil sender on our '97 LeSabre go bad (intermittent normal-high excursions). I replaced it and now it has the same normal-high readings. I can't believe that it is not bad! The oil pressure actually can't change that quickly.Regards,Jack C. Link to comment Share on other sites More sharing options...
Ronnie Posted May 6, 2009 Share Posted May 6, 2009 Jack, your description of the oil pressure problem is a little confusing. Are you saying the new sender did not make a difference or are you saying your oil pressure reading is not as you expect it to be? Please explain.You say, "The oil pressure actually can't change that quickly." The pressure should change with engine RPM and will be slightly higher or lower depending on the temperature of the engine. Link to comment Share on other sites More sharing options...
padgett Posted May 6, 2009 Share Posted May 6, 2009 We need some numbers. AFAIR the SII 3800 has a hot idle around 30-40 psi and 60-65psi at 1800 rpm on 5 or 10w30. Link to comment Share on other sites More sharing options...
Roadster90 Posted May 6, 2009 Share Posted May 6, 2009 FYI..... NAPA markets Echlin.Anyone have experience with the brand please? Link to comment Share on other sites More sharing options...
Guest Mike_s Posted May 7, 2009 Share Posted May 7, 2009 "Standard Motor Products also sells its products in Europe through its European Segment. The Company distributes parts under its own brand names, such as Standard, ACi, BWD, Hayden and Four Seasons, and through private labels, such as CARQUEST and NAPA Echlin"per http://www.reuters.com/finance/stocks/companyProfile?\Standard also makes neihoff http://www.smpcorp.comnot sure if the Standard, BWD, neihoff, napa echlin parts are all the same quality though.Also keep in mind thart NAPA\standard typicaly offers a value line and a "good stuff"/quality line Link to comment Share on other sites More sharing options...
Guest THEHKP7M13 Posted May 7, 2009 Share Posted May 7, 2009 http://cgi.ebay.com/ebaymotors/NOS-OIL-P...3QQcmdZViewItemA new Delco unit. Link to comment Share on other sites More sharing options...
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