Question about 1998 Ford Windstar

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Intake Manifold choke diaphram for 98 ford windstar

My husband thinks we need to replace the intake manifold choke diaphram on our 98 Ford Windstar. I'm not sure if it's the right termiology, we've also heard it called an IRMC vacuum accuator. Anyway, we've price out this part, and it's outrageous! Is there any way to get around totally replacing these parts (there's two)?

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  • ann_hall Feb 03, 2009

    i too have this same problem i have a 98 ford windstar and my husband check the codes and they came back p0133.p0430and p1512 called auto zone and they said i have a vacuum leak and its probably around the cat converter and the fuel pump someone help we are so lost and to top it all off i just bought this silly thing



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No you need the vacum hose that is what keeps persure on the acc.

Posted on Nov 10, 2008


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I has a 2002 ford windstar leaking water around the intake manifold

This is common for this vehicle. You need to have the intake manifold gasket replaced.

Apr 10, 2016 | Ford Cars & Trucks

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98 ford windstar intake manifold torque specs

Intake torque specs ' > Ford Tech Forums > Engine & Drivetrain

May 7, 2010 - 2 posts - ‎2 authors
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Torque Specifications - AutoZone

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Dec 21, 2015 | 1998 Ford Windstar

1 Answer

Where is the vacum supply line located on the intake manifold

Hi Pamela,here's a couple of vacuum diagrams to your 98 Ford Windstar,click on link to see,if this doesn't help,let me know.

Nov 06, 2012 | 1998 Ford Windstar

1 Answer

Intake manifold torque on a ford windstar 1998 3.0

Intake Manifold to Cylinder Head Bolt

Tighten in two steps:
  • 20-30 Nm (15-22 Lb-Ft)
  • 26-32 Nm (20-23 Lb-Ft)
(2) (2) -

Apr 27, 2012 | 1998 Ford Windstar

1 Answer

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?

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)


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.

Mar 07, 2011 | 1998 Ford Windstar

1 Answer

1999 ford windstar code P1518

This code means the intake manifold runner is stuck open either from a faulty actuator on the intake or the valves plates are gunked up unable to move,

Jun 17, 2010 | 1999 Ford Windstar

1 Answer

I have a 98 ford windstar with check engine light on the codes are P1537, P1538, PO171 system to lean , and PO 174 what are they?

These are all related:
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!

Nov 08, 2009 | 1998 Ford Windstar

1 Answer

I have code 1538 on my check engine for 1998 ford windstar ,does

on the passenger side of the engine you will see 2 small metal rods at the top of the engine just below the intake manifold there are little white clips that hold the rods on these clips usually break and the rods come off

Mar 28, 2009 | 1998 Ford Windstar

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