1998 Ford Windstar Logo
Posted on Mar 07, 2011
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My 98 ford windstar is displaying trouble codes p1537/p1538, along with a misfire on cylinder 1 & 2 (p0301/p0302). what are some problems that can cause this problem?

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  • Posted on Mar 07, 2011
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Codes p1537 and p 1538 are codes for a faulty IMRC valve. They are located on the lower intake manifold.

Intake Manifold Runner Control (IMRC), Vacuum Control

  1. Remove E-clip retaining vacuum control linkage to lever/shaft assembly.
  1. Remove adjustment screw from the vacuum control (9S514) and bracket.
  1. Remove two bolts retaining vacuum control and bracket to IMRC housing assembly.
  1. Disconnect linkage from the lever/shaft assembly and remove vacuum control .
  1. To install vacuum control and bracket assembly, reverse Removal procedure. Tighten retaining bolts to 8-11 Nm (71-97 lb-in). Adjust vacuum control as described.


    Intake Manifold Runner Control (IMRC)


    my 98 ford windstar is - av0093a.gif


As for the misfire codes, Check out the upper and lower intake gaskets. Since you have to take the upper intake off for the imrc valves its just a few more bolts to remove the lower intake. The intake gaskets are rubber seals. When the engine is cold the seals shrink and causes a misfire. when the engine warms up the seals expand and the misfire goes away.

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I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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Sorry, I don`t speak english. I have two p...
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P1537 and P1538 are BOTH:
Intake Manifold Runner Control Stuck Open
P0171 is Lean Bank #1
P0174 is Lean Bank #2.
On the front of the Intake Manifold there are Plastic Clips. The Clips are currently broken and need to be replaced. Because these are broke the Computer is registering too much Air or not enough Fuel = Lean.
You should be able to purchase these at any auto parts store (call ahead for availablility).
After you replace these, all the Codes should disappear.
Let me know if this helped, or if you have addtional information or questions. Feel free to contact me at FixYa.com!
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Nov 08, 2009 • 1998 Ford Windstar
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Engine codes
HAVE ENGINE CODES P1537 & P1538 WHICH ARE INTAKE MANIFOLD RUNNER CONTROL STUCK OPEN BANKS 1 & 2.
YOU CAN TRY TO CLEAN THEM,BUT ITS NOT LIKELY THAT YOU CAN CLEAR THE CODES.

BUT DONT WORRY THIS PROBLEM IS COMMEN ON THIS MODEL OF FORD.

GOOD LUCK...
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Sep 09, 2008 • 1998 Ford Windstar
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Here is a link with everything you need to know.

http://groups.google.com/group/Windstar/web/imrc-trouble---p1537-p1538

If you find the info useful, please rate my solution.

Good luck!
- Jim
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