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Old 08-17-2010, 05:50 PM
90RANGERMAN 90RANGERMAN is offline
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Default 1990 ford ranger does not idle right

i have a 1990 ford ranger and today it started to idle extremely high around 3000 rpm i shut it off and disconnected the mass air flow sensor and now it idles at about 750rpm which should be normal what should i look at to fix this problem any help is appreciated
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Old 08-17-2010, 08:10 PM
90RANGERMAN 90RANGERMAN is offline
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Default Re: 1990 ford ranger does not idle right

also when it is idleing without the maf it doues idle rough popping and sputtering when i drive it and jump on the gas i have plenty of power and the sputtering goes away i have no idea where to even start it has new plugs, wires and fuel filter
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Old 08-18-2010, 11:53 AM
90RANGERMAN 90RANGERMAN is offline
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Default Re: 1990 ford ranger does not idle right

i did pull off the iac and clean it it did not make a difference is the iac a common problem in this motor
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Old 07-02-2011, 04:11 AM
Tito Tito is offline
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Default Re: 1990 ford ranger does not idle right

Wish I knew, mines idling too low have put more than $500 from parts no difference ima clean out my iac and throttle body to see if that helps. I changed all ignition parts from fuel pump, to filter to spark plugs and wires and coils and my icm which was expensive and still nothing.
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1990 ford ranger 2.3L
1999 Ford Ranger 2.5l

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