dash oil pressure gauge ?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

wahl4m · 05-01-2013, 07:11 PM

got a 83 6.2 diesel / dash gauge dont show much oil pressure running , motor runs good ! replaced sending unit on engine ,same thing, are the dash gauges known for going bad ? might have to install a after market oil pressure gauge ? do the 6.2 engines carry much oil pressure ?thanks

**hatzie** · 05-02-2013, 09:23 AM

Ground the sender wire. It should read 0.
With the sender unplugged it should nail the gauge at the top just like the fuel gauge.

You can check the sender with a multimeter. Probe from the body to the electrical connector.

Proper sender ohmage for a 60PSI sender.
0PSI is 0-2Ω
30PSI is 44-46Ω
60PSI is 88-90Ω

05-01-2013, 07:11 PM	#1
wahl4m Registered User Join Date: Jan 2002 Location: norwalk,iowa,usa Posts: 921	dash oil pressure gauge ?? got a 83 6.2 diesel / dash gauge dont show much oil pressure running , motor runs good ! replaced sending unit on engine ,same thing, are the dash gauges known for going bad ? might have to install a after market oil pressure gauge ? do the 6.2 engines carry much oil pressure ?thanks

05-02-2013, 09:23 AM	#2
hatzie Moderator Join Date: Oct 2008 Location: Wentworth, NH Posts: 4,933	Re: dash oil pressure gauge ?? Ground the sender wire. It should read 0. With the sender unplugged it should nail the gauge at the top just like the fuel gauge. You can check the sender with a multimeter. Probe from the body to the electrical connector. Proper sender ohmage for a 60PSI sender. 0PSI is 0-2Ω 30PSI is 44-46Ω 60PSI is 88-90Ω __________________ 1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... 1973-1991 GM Light Truck Service, Unit/Overhaul, Wiring Manuals, Parts Books and Some 1968-1999 GM Service Training textbooks in PDF 1988-1998 GMT400 CK service manual project 1988-1993 GMT400 CK parts books. 1967-1972 GM Light, Medium, & Heavy Truck Service Manuals in PDF Please include at least the year and model in your threads. It'll be easier to answer your questions. And please let us know if and how your repairs were successful.



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