1998 Windstar with DTC P1537 and P1538

My 1998 Windstar with the 3.8 V6 had 2 DTC's, P1537 and P1538. The codes are for Intake Manifold Runner Control (IMRC) stuck open Bank 1 and Bank 2. I
did find quite a bit of info by googling it on the web. Mostly it looks like the fix is just replacing the IMRC. They are a little pricey at $200.00 to $300.00 a piece. Does anybody have any experience with this problem? What goes bad with the IMRC? Pat
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wrote:
|My 1998 Windstar with the 3.8 V6 had 2 DTC's, P1537 and P1538. The codes are |for Intake Manifold Runner Control (IMRC) stuck open Bank 1 and Bank 2. I |did find quite a bit of info by googling it on the web. Mostly it looks like |the fix is just replacing the IMRC. They are a little pricey at $200.00 to |$300.00 a piece. Does anybody have any experience with this problem? What |goes bad with the IMRC? Pat |
I don't know about your particular situation, but when I find that some valve is stuck open or closed, I figure out a way to unstick it. Cost = zero e.g. EGR valve. simple. put 1/4 inch tubing on it and suck and blow until the valve is free to move under -3mmHg. Worst case scenario, take it off, and clean it with carb cleaner. Being sure diaphragm isn't perforated ( holds vacuum ).
Stuck? You want to pay $300 to unstick something? You have deep pockets. Figure out a way to unstick it yourself, using compressed air, taking it apart, whatever.
Lg
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Well one of IMRC vacuum motors has a leak in it. Probably a bad diaphragm. Looks like I'll have to replace it. Pat

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I just curious where is the IMRC ? Thanks

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There are 2 of them. Both mounted to the lower half of the intake manifold on the front (passenger side) of the motor. One for each cylinder bank. They are basically a vacuum actuator with 3 wire "monitor" feedback. Also included as part of the control is a solenoid valve that is mounted on the right side of the motor. It basically turns the vacuum off and on to the actuators. It's controlled by the PCM. Pat

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$200.00
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Hi Pat - I'm having the same problem P1537 (used the scanner from www.obd-2.com) and will have to fix mine too. I have the Haynes book for the windstar - Mine's a '96 3.8L. Any "gotcha's" in getting to the IMRCS - Looks like I have to take out a whole buncha stuff to get to it. Did you end up fixing or replacing?
TIA
Tom

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Tom The one that was bad on my van was the left one (closest to the radiator). It wasn't too hard to remove. I did have to remove the alternator to get easy access to the bolts. Also I had to be careful and not break the plastic clip that hold the linkage. The Ford dealers I called wanted anywhere from $220.00 to 240.00 for a replacement. I took the old one apart and silicone the diaphragm . It working at the moment.
P1537 is for bank 1, right side or furthest from the radiator. It look like that one may be a little easier to get to. Pat

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