98 Ranger rough idle when cold
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New User
Joined: Nov 2014
Posts: 3
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From: Lynnwood, WA
98 Ranger rough idle when cold
I understand there is not much adjustable on my 98 Ranger (2.5L) as far as idle speed and mixture. It runs rough when started cold. Is this a sign to replace spark plugs?
Any other suggestions? Thanks.
Any other suggestions? Thanks.
Moderator
Joined: Jan 2004
Posts: 13,851
Likes: 111
From: SW Va
Could be, but are you up to date on All due specified past & present scheduled maintenance replacement items, like plugs, wires, filters, PCV valve, O2 sensors???? If you have a lit CEL, most autoparts stores will scan the computer at no cost for trouble code trouble shooting clues, then post all Numbers found.
Fleet Mechanic
Joined: Sep 2007
Posts: 1,726
Likes: 10
From: down south
wires and plugs at minimum. I dont know the brand or age of yours, but I have had real problems with finding plug wires that last any real length of time. I first tried autozone lifetime wires and then bosch lifetime wires (free replacement) and still replace them at least once a year.
I have not shelled out $50 for ford brand. But being cheap, at this time I just replace em for free over and over.
But yeah, rough at idle to completely missing and throwing a CEL are what I get for symptoms.
I have not shelled out $50 for ford brand. But being cheap, at this time I just replace em for free over and over.
But yeah, rough at idle to completely missing and throwing a CEL are what I get for symptoms.
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