Oil light stays on until engine hits full operating temp, used to do the opposite - Ranger-Forums - The Ultimate Ford Ranger Resource

2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

LinkBack Thread Tools Search this Thread
Old 02-16-2012
Thread Starter
Join Date: Feb 2012
Location: Fort Worth, TX
Posts: 1
Oil light stays on until engine hits full operating temp, used to do the opposite

Hi, this is actually a followup to a prior thread I posted a little while ago regarding a busted oil light switch. For some reason the forums don't recognize my old username or email for it, so I've had to create another login.

The original thread was regarding my oil light kicking on when the engine hit normal operating temp and then not going off until I had raised the RPMs above about 1-1.2K. I replaced the switch and the issue went away for a few weeks, everything seemed good.

Now, it's developed the exact opposite behavior where the oil light stays on until the engine hits normal operating temp. I've used a mechanical gauge to verify my pressure several times, and it's all good. Constant checks on the oil level show it to be perfect and not losing any short- or long-term.

Anybody know what might be going on? I thought maybe I should do some kind of continuity test on the lead that the switch is on, but I don't know where it should be hooking up to in order to properly test the switch. It's really weird that it completely reversed its behavior after seemingly working normally for a bit.
Reply With Quote
Old 02-17-2012
Join Date: Jan 2012
Location: st. aug, fl.
Posts: 29
New part could be faulty.
Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
Temp gauge starts in the middle stays on H theprocessor 4.0L OHV & SOHC V6 Tech 2 03-22-2014 01:27 PM
Ranger Operating Temp and Thermostat Question bonez General Ford Ranger Discussion 13 04-09-2012 09:19 PM
add amber lights that flash faster and opposite hazards 2004edge General Ford Ranger Discussion 2 05-05-2008 01:34 PM
Operating temp russ190 4.0L OHV & SOHC V6 Tech 4 12-21-2007 07:29 AM
Help with operating temp ? Mootz 4.0L OHV & SOHC V6 Tech 8 05-07-2005 08:02 AM

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

All times are GMT -6. The time now is 05:37 AM.

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.