1988 Ford Bronco Idling Problems

1988 FORD BRONCO
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SWEENEY76
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  • 3 POSTS
Engine Performance problem
1988 Ford Bronco V8 Four Wheel Drive Automatic

The vehicle has smooth to rough idling when in park. when the vehicle is put in drive it wants to lunge with your foot on the brake almost stalling the vehicle. iac, coolant temp sensor, ecu, have been replaced. Fuel pressure was tested reading around 40psi. any thoughts?!?
Nov 11, 2009 at 10:45 AM
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JACOBANDNICKOLAS
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Do the RPM's go up causing the lunge?
Nov 14, 2009 at 4:02 PM
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SWEENEY76
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Yes the RPM's do go up.
Nov 15, 2009 at 9:59 AM
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SWEENEY76
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Anyone have any Ideas also we have tried a new MAP, TPS sensor and can not find any vaccum leaks. We have also replaced the ECU. Any ideas????????
Dec 4, 2009 at 7:37 AM
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