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Jul 29, 2001 | 10:26 AM

ford86

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idiot lights

I have a 86 F150 4x4,4.9L, 4 speed. My idiot light that is on the far left is missing the lens. This light has started staying on so I guess I should find out what it is for. Can anybody give me a hand?

Jul 29, 2001 | 04:11 PM

mtflat

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From: Kalispell, MT

idiot lights

I've got the same truck, except with the 5.0 engine. Light on the far left is labeled 'emissions'.

Jul 29, 2001 | 05:11 PM

82F100SWB

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From: Dryden, ON, Canada

idiot lights

Hmm, never seen an I-6 truck with that light hooked up, on my 84 parts truck(300 w/TFI-IV) it had a shift light blank there, and the only 85 and 86 I've worked on have had non-emissions 300's with Duraspark II and NP435's, and they were the same.
Evan MacDonald
82 F100 FlareSide 2wd
HD 300-6 9.5:1 CR
Clifford 270H cam
Hedman Hedder
SBC valved 66 240 head
Headlight Relays - Delanty Style
NP435(6.69 low)
3.55 Geared ARB'd 9"
31x10.50/15 Cooper Discoverer LT's

Jul 29, 2001 | 06:18 PM

460v10

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idiot lights

We have an 85 F150 4x4, 300 4spd and a 86 F150 2wd 300 4spd, both of which have the emissions light operative. Just like the 85 Bronco 351HO.

Jul 29, 2001 | 09:01 PM

ford86

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idiot lights

I checked my owners manual and it said to see the maintenance schedule which i don't have.What do i need to do to get rid of this annoying light?

Jul 29, 2001 | 09:16 PM

brown 4x4

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From: Nebraska

idiot lights

[font size="1" color="#FF0000"]LAST EDITED ON 29-Jul-01 AT 10:26 PM (EST)[/font][p]Yep, the feedback carb 300's (at least the ones I've seen) had the emissions light. It's supposed to come on approximately every 60000 miles. There should be a box somewhere under the dash used to reset the light (never did find it on mine). Here's the link to the thread on how to reset it:

https://www.ford-trucks.com/dcforum/80_96/172.html

------------------
1986 F-150 4x4 300 I6 NP435

Jul 29, 2001 | 09:30 PM

82F100SWB

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Posts: 5,330

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From: Dryden, ON, Canada

idiot lights

My 84 must have been an oddball then, it had a feedback carb, but no 02 sensor or emissions light... What is it with me and oddballs......
Evan MacDonald
82 F100 FlareSide 2wd
HD 300-6 9.5:1 CR
Clifford 270H cam
Hedman Hedder
SBC valved 66 240 head
Headlight Relays - Delanty Style
NP435(6.69 low)
3.55 Geared ARB'd 9"
31x10.50/15 Cooper Discoverer LT's