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Mercury Mountaineer Start Stall Idle Problems

24 messages,  Last post on Jun 01, 2009 at 3:28 AM

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#20 of 24 02' Mercury Mountaineer AWD V8 Premier by qbn Jan 01, 2009 (12:06 pm)
I had this problem happened to me last week in the shopping mall parking lot. The car stalled and the signal displayed High Temp / Low Oil pressure like veryone stated here. The car started within seconds without any issues and I have been driving for a week now without noticing anything odd with the car. I have been buying regular 87 octane gas as suggested and buying from a very reputable station (BP).   This is my very first time encountered such odd problem with my Mountaineer. I bought this SUV used at 25K 3 years ago and now I have 83K on the odometer. I've been very pleased with the vehicle so far, well, besides the gas sipping happy.   I called the dealership and told them about the issue and they told me that they never heard of this symptom before. Of course, they suggested that I bring my vehicle in for inspection (-:   I will head down to my local Autozone to have them pull the code of the vehicle and see what type of codes they can pull from the vehicle. By the way, this is a free service provided by Autozone.   The other tging I can think of is, when did I replaced my fuel filter??? Not exactly sure, but I am going to have it replaced this Saturday for sure.   I really like the vehicle and I am not ready for any car payments at this time yet. So, I am going to find out what I can do before trading it in for some else.   Thanks for reading my post.   Have an awesome New Year everyone!!   Quincy
#21 of 24 98 4.0 moutaineer stalling by kcardwell Feb 28, 2009 (5:21 am)
Just broke 90k wants to stall when not under acceleration. Fuel pump was replace 6months ago . Sounds like intake may have leak ? Thought someone might know seeing how my MC is off until Monday!!
#22 of 24 Stalling and spitting by gkay May 31, 2009 (5:02 am)
No body that I see has found a cure for it yet. I have had this issue for about 3 months now. I have put enough Gumout and tektron in the tank to build a refinery.   I brought it to my mechanic today and he says it is my "MASS FLOW" sensor on the air intake/filter gizmo. He says its 250 or so. Last year I paid about 600 for him to clear the error light messages so I could pass inspection. $600 because he changed all air sensors one at a time!   Okay back to symptoms: The stalling comes and goes. Some times I am ready to have the SUV towed and then it may disappear for weeks. Always happens when you hold a steady pedal. That is why it dies when using Cruise Control.   Anyone else add to this? Gary
#23 of 24 Start Stall Idle Problems/ by kmmbrenizer May 31, 2009 (9:38 am)
Hello, We finally figured out why my 2004 Mercury Mountaineer was stalling. This was happening when I slowed down, it would just shut off and say low oil pressure. sometimes it would go into engine fail safe mode. My husband found a posting online. We brought it into Ford last fall 08 and they did 1500 worth of work but it started doing it again.   We brought it again with the bulletin he found online and they replaced the THROTTLE POSITION SENSOR. It has NOT happened in two months!!!! IF YOU ARE HAVING THESE ISSUES-get this checked! IT was $200 with parts and labor!!! Replies to this message: gkay (Jun 01, 2009 3:28 am)
#24 of 24 Re: Start Stall Idle Problems/ [kmmbrenizer] by gkay Jun 01, 2009 (3:28 am)
Replying to: kmmbrenizer (May 31, 2009 9:38 am) Thank for the info. Wow, isn't the internet great! Gary

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