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Seems like it will stall in first 5 seconds, then fine

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JeffMD
Regular Member
Posts: 16
Joined: Fri May 26, 2006 12:05 pm

Seems like it will stall in first 5 seconds, then fine

Post by JeffMD » Sat Feb 16, 2013 3:34 pm

I have a 05 500 that is just over 106k miles. Havn't needed any repairs on it yet and I do my own oil changes and filters.

When I normaly start it, it turns over quickly but seems like it wanted to stall in the first 5 seconds. It has not yet but I know it is a matter of tiime. After that 5 seconds though the engine kicks back up and idles normally. I never have any power or acceleration issues on the highway (I have a 40 minute commute to work that is mostly at 70-75mph).

Also for a while now it has hated being started and then turned off before it has had a chance to run like 60 seconds. I will come back to the car and find it in flooded conditions and need to keep cranking it until it finally starts.

Yesterday I replaced the air filter and fuel filter but it didn't seem to change anything. Any ideas?


dwcopple
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Posts: 26
Joined: Mon Feb 11, 2013 2:06 pm

Re: Seems like it will stall in first 5 seconds, then fine

Post by dwcopple » Sat Feb 16, 2013 5:12 pm

I added a bottle of HEET to the gas for the same reason. Seems to have done the trick. I also replaced the fuel filter. I prime the car for 3 seconds with the key at ON before turning to RUN. No more stumble ever since.

Tomcat
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Posts: 120
Joined: Sun Oct 11, 2009 7:56 am

Re: Seems like it will stall in first 5 seconds, then fine

Post by Tomcat » Fri Feb 22, 2013 1:42 pm

Have you ever had the throttle body cleaned? Mine was acting similar to yours and I took off the throttle body and sprayed it with cleaner.

I also did removed the mass airflow sensor and sprayed cleaner on it.

alp500
Regular Member
Posts: 29
Joined: Fri Feb 24, 2012 1:23 pm
Location: Chicago, IL

Re: Seems like it will stall in first 5 seconds, then fine

Post by alp500 » Mon Mar 25, 2013 12:04 am

My 500 used to do that till I started cleaning the throttle frequently. Your issue might have been the tune up or as Dwcopple mentioned changing the fuel filter and adding injector cleaner helps! I keep getting cylinder #4 missfire code. I swapped the coils and changed the plugs but same thing comes back on unless I add injector cleaner once in a while.
07 Ford 500 SEL, 6 spd. 267k miles.
12 Kia Optima, 03 M-Benz C240, 03 Infiniti G35,
03 BMW 325CI, 01 Acura CL, 03 VW Passat 1.8T GLS, 01 VW Jetta 1.8T GLS

Mario
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Posts: 126
Joined: Tue Feb 19, 2008 10:14 am
Location: MO

Re: Seems like it will stall in first 5 seconds, then fine

Post by Mario » Sun Nov 10, 2013 5:00 pm

i just started having this issue myself. im not sure what i should do. does the heet actually work?
05 500 Ltd 18" HanKooks, Heated Leather, Wood Grain, MoonRoof, Green w/Peanut Butter Guts, Reverse Sensors, Kicker ZX750.1 amp, 1 Kicker L7 12", Polk 6.5" Components, Pioneer TV http://www.cardomain.com/ride/3304556/2 ... e-hundred/

kb9skw
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Posts: 108
Joined: Sun Mar 30, 2008 2:40 pm
Location: Madison WI

Re: Seems like it will stall in first 5 seconds, then fine

Post by kb9skw » Wed Dec 04, 2013 8:54 pm

Mario wrote:i just started having this issue myself. im not sure what i should do. does the heet actually work?

It is quite worthless in most of the country, as all it is is a bottle of alcohol. Guess what, modern gas has upward of 10% alcohol out of the pump so you are wasting your time with HEET.

Do yourself a favor, get a 8mm socket and 4 inch extension and pull off the throttle body. Clean it with a soft toothbrush and some proper cleaner. I use 3M Throttle Plate and Carb Cleaner 08866.

Spray and soak, scrub with brush, spray and soak.

Rinse and repeat until every spec of carbon is gone. Reattach and take it for a drive.
2006 Five Hundred SEL, Black Exterior, Gray Leather. 6-Disk MP3, Moonroof. 3.0L V6

2008 Ford F150 XTL 4x4 SuperCab, Dark Peril Blue/Silver Two Tone, Flint Cloth. 5.4L FFV V8.

alp500
Regular Member
Posts: 29
Joined: Fri Feb 24, 2012 1:23 pm
Location: Chicago, IL

Re: Seems like it will stall in first 5 seconds, then fine

Post by alp500 » Mon Jan 20, 2014 10:01 pm

kb9skw wrote:
Mario wrote:i just started having this issue myself. im not sure what i should do. does the heet actually work?

It is quite worthless in most of the country, as all it is is a bottle of alcohol. Guess what, modern gas has upward of 10% alcohol out of the pump so you are wasting your time with HEET.

Do yourself a favor, get a 8mm socket and 4 inch extension and pull off the throttle body. Clean it with a soft toothbrush and some proper cleaner. I use 3M Throttle Plate and Carb Cleaner 08866.

Spray and soak, scrub with brush, spray and soak.

Rinse and repeat until every spec of carbon is gone. Reattach and take it for a drive.
This is the best way to do. I do this every 20K miles and I got 270K clean miles. Altough my cylinder #4 still indicates missfire once in a while. I will put new injectors in summer unless I sell it. Hopefully our new home will have enough parking space.
07 Ford 500 SEL, 6 spd. 267k miles.
12 Kia Optima, 03 M-Benz C240, 03 Infiniti G35,
03 BMW 325CI, 01 Acura CL, 03 VW Passat 1.8T GLS, 01 VW Jetta 1.8T GLS

The Bone
Regular Member
Posts: 390
Joined: Fri Jan 17, 2014 11:41 am

Re: Seems like it will stall in first 5 seconds, then fine

Post by The Bone » Tue Jan 21, 2014 8:03 am

It the throttle body clean doesnt work than check the throttle position sensor. It sounds like it's sticking

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