Oil pressure gauge

RC02GT · January 26th, 2008, 05:26 PM

What causes the gauge to read no pressure at cold startups sometimes and when I rev it it goes up then drops back off until the engines warm. the sender? how could I fix it.

RC02GT · January 26th, 2008, 08:42 PM

No ideas?

HMUSN · January 26th, 2008, 08:43 PM

I would think the sending unit.

RC02GT · January 26th, 2008, 08:52 PM

and to fix it?

mattstang · January 26th, 2008, 09:08 PM

get a new one?

zers · January 26th, 2008, 09:44 PM

don't drive it till it's warm, so the sender works? or not give a crap?

RC02GT · January 26th, 2008, 09:54 PM

I donno what it looks like or where it is, I guess it works cuz when its warmed up it reads normal pressure.

03Gtmustang · January 26th, 2008, 11:35 PM

that same thing happened to my ford truck it turned out to be the cluster just not responding to the signal. i had the shop replace the sender and such and it worked for a while but just came back. so they took the cluster out and found a lose connection.

RC02GT · January 26th, 2008, 11:37 PM

Well it happened with my stock cluster and now i have roush cluster in and still does it. I dont no what the sender looks like or how to replace it.

RC02GT · January 26th, 2008, 11:38 PM

and it only does it when its cold out on initial startup, when she's warm its fine.

willsurforbeer9 · January 26th, 2008, 11:42 PM

then let it warm up, problem solved.

03Gtmustang · January 26th, 2008, 11:46 PM

hey man i found this it might lead u to the sending unit
is a nice tech sheet on the guages.

Complete Guide to your ford car instruments! - STANGFAN.COM - Ford Mustang ranch for pictures, mustang videos & chat.

RC02GT · January 27th, 2008, 12:00 AM

THanks man I appreciate it

03Gtmustang · January 27th, 2008, 12:12 AM

no problem i hope it helps

RC02GT · January 27th, 2008, 12:13 AM

Yea it will, ill look it back up and try out what it says to do when i get my car back, itll let me know if its the sender or not, thanks again man

roush 2001 · January 27th, 2008, 03:34 AM

i had the same problem with my 01 and the dealer couldnt figure it out they changed the cluster and sending unit and it ended out being the wire in the circuit to the cluster that had a break in it they just undid the wire solder it together and it was done

DblAughtGT · March 22nd, 2009, 12:55 AM

I would imagine that you have corrected this by now. But I just wanted to let you know that i was having a similar problem with mine. I could crank mine in the morn, and have good pressure, then as soon as it warmed up, pressure would drop when it was at an idle. Then, after the car had been running for about an hour or so, it was good, idling or not. So, I replaced the sending unit and havent had any problems since. It is located right next to the oil filter, cant miss it.

schwarzGT · March 22nd, 2009, 01:09 AM

Be careful, my car had no oil pressure upon a cold start and it ended up starving the valve train of oil which in turn made for some nasty noises...good thing I turned it off to prevent further damage. That was after the car sat for a week in sub 20 temperatures though.

January 26th, 2008, 05:26 PM	#1
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	Oil pressure gauge What causes the gauge to read no pressure at cold startups sometimes and when I rev it it goes up then drops back off until the engines warm. the sender? how could I fix it. __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 26th, 2008, 08:42 PM	#2
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	No ideas? __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 26th, 2008, 08:43 PM	#3
HMUSN Doc 1986 SVO Join Date: Nov 2006 Posts: 36,836 iTrader: 9 reviews	I would think the sending unit. __________________

January 26th, 2008, 08:52 PM	#4
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	and to fix it? __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 26th, 2008, 09:08 PM	#5
mattstang Hardcore Enthusiast Join Date: May 2007 Posts: 1,762 iTrader: 1 reviews	get a new one? __________________ FX4 Crew Crew member #3

January 26th, 2008, 09:44 PM	#6
zers Regular 1965 Coupe Join Date: Oct 2007 Location: Oregon Posts: 356 iTrader: 0 reviews	don't drive it till it's warm, so the sender works? or not give a crap? __________________

January 26th, 2008, 09:54 PM	#7
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	I donno what it looks like or where it is, I guess it works cuz when its warmed up it reads normal pressure. __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 26th, 2008, 11:35 PM	#8
03Gtmustang Regular Join Date: Apr 2007 Location: Reading pa Posts: 416 iTrader: 7 reviews	that same thing happened to my ford truck it turned out to be the cluster just not responding to the signal. i had the shop replace the sender and such and it worked for a while but just came back. so they took the cluster out and found a lose connection.

January 26th, 2008, 11:37 PM	#9
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	Well it happened with my stock cluster and now i have roush cluster in and still does it. I dont no what the sender looks like or how to replace it. __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 26th, 2008, 11:38 PM	#10
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	and it only does it when its cold out on initial startup, when she's warm its fine. __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 26th, 2008, 11:42 PM	#11
willsurforbeer9 Regular Join Date: Nov 2007 Posts: 56 iTrader: 0 reviews	then let it warm up, problem solved. __________________ 2003 V6 Automatic Ebay CAI Soon to be for sale. WTB 2003 Cobra with 75000+miles OR 2003 GT w/<50000 miles

January 26th, 2008, 11:46 PM	#12
03Gtmustang Regular Join Date: Apr 2007 Location: Reading pa Posts: 416 iTrader: 7 reviews	hey man i found this it might lead u to the sending unit is a nice tech sheet on the guages. Complete Guide to your ford car instruments! - STANGFAN.COM - Ford Mustang ranch for pictures, mustang videos & chat.

January 27th, 2008, 12:00 AM	#13
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	THanks man I appreciate it __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

January 27th, 2008, 12:12 AM	#14
03Gtmustang Regular Join Date: Apr 2007 Location: Reading pa Posts: 416 iTrader: 7 reviews	no problem i hope it helps

January 27th, 2008, 12:13 AM	#15
RC02GT Hardcore Enthusiast 2006 Saleen s/c Join Date: Sep 2006 Location: Baltimore, MD Posts: 1,128 iTrader: 0 reviews	Yea it will, ill look it back up and try out what it says to do when i get my car back, itll let me know if its the sender or not, thanks again man __________________ 06 Saleen s281: 3.4 pulley, 39lb inj. KB BAP, steeda cai, steeda belt tensioner, saleen extreme inlet tube, bassani x, magnaflow, MGW, brenspeed tune

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January 27th, 2008, 03:34 AM	#16
roush 2001 Regular 2001 roush stage 2 Join Date: Nov 2007 Location: riverside ca Posts: 55 iTrader: 0 reviews	i had the same problem with my 01 and the dealer couldnt figure it out they changed the cluster and sending unit and it ended out being the wire in the circuit to the cluster that had a break in it they just undid the wire solder it together and it was done

March 22nd, 2009, 12:55 AM	#17
DblAughtGT Regular 2000 Mustang GT Join Date: Jan 2009 Location: Twentynine Palms, CA Posts: 98 iTrader: 0 reviews	I would imagine that you have corrected this by now. But I just wanted to let you know that i was having a similar problem with mine. I could crank mine in the morn, and have good pressure, then as soon as it warmed up, pressure would drop when it was at an idle. Then, after the car had been running for about an hour or so, it was good, idling or not. So, I replaced the sending unit and havent had any problems since. It is located right next to the oil filter, cant miss it.

March 22nd, 2009, 01:09 AM	#18
schwarzGT Regular 2003 GT Join Date: Jun 2008 Location: Bellevue, NE Posts: 111 iTrader: 0 reviews	Be careful, my car had no oil pressure upon a cold start and it ended up starving the valve train of oil which in turn made for some nasty noises...good thing I turned it off to prevent further damage. That was after the car sat for a week in sub 20 temperatures though. __________________ StangSuspension.com Series II 2 inch lowering springs, MM Caster Camber Plates, MM Strut Tower Brace, Steeda Bumpsteer Kit, Steeda Clutch Pedal Improvement Kit, Fidanza Aluminum Flywheel, Centerforce Dual Friction Clutch

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