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-   -   Engine is dieing and throttle is less responsive (http://986forum.com/forums/boxster-general-discussions/53915-engine-dieing-throttle-less-responsive.html)

newob 09-02-2014 04:00 AM

Engine is dieing and throttle is less responsive
So I finally got my boxster s back from the shop and I have noticed and increase in a Problem that was somewhat present prior to my little fender bender.

The engine keeps dieing at low revs. Basically if I take it out of gear and coast into a stoplight the engine will cut out. Also when I first drive it when it is cold, the exhaust is a bit smokey.

This morning while driving to university I found that the throttle was also not responding very well. I would mash on the gas and it would not rev very quickly and it would do it jerkily? Idk it was weird.
My first thought is throttle body?
Perhaps if I run some carb cleaner stuff in it with the gas it would help?
Once it is warmed up it seems to do ok except for the stalls at lights.
How do I clean my throttle body?

Spinnaker 09-02-2014 02:28 PM

Try the E-Gas reset first.


guesswecan777 09-02-2014 05:19 PM

Perhaps a clogged fuel filter?

OklahomaBoxster 09-02-2014 05:33 PM

Mass Air flow sensor?

OklahomaBoxster 09-02-2014 05:34 PM

or air/oil seperator

Porsche man 09-02-2014 05:38 PM

Mass air flow sensor. Had the same problem. Pulled it out and sprayed it with special spray and all fixed.

san rensho 09-03-2014 10:52 AM

You need to look at the codes with a durametric and get back.

newob 09-03-2014 01:22 PM

Clean throttle body and mass air flow sensor
Well i spent most of the day working on my car. to clarify, it was not throwing any check engine lights or anything.

So what I did was take out the air filter, (which was absolutly disgusting!!!!!!!!!!) and then I bought some mass air flow spray at O'reilly's, and also some throttle body spray. cleaned my throttle body and mass air flow sensor, and then also put an additive (seafoam) in my gas to clean my fuel injectors etc.

Car runs fantastic!!!
has more power then i have ever felt in it period!!!! so responsive! and it idles like a purring tiger.


I followed pelican parts information about how to do all of this. Just takes time and patience. And I ordered a new air filter (the old one is back in it now, but has been cleaned to within an inch of its life)

rock88hard 09-04-2014 07:35 AM

This is exactly what I'm experiencing!!! Newob, Thanks! I'll be doing this for sure!

The guy at advanced showed me where the Mass Airflow sensor is, but I don't know where the throttle body is. Also, I heard you can damage the sensor if you don't handle it properly?

Any tips or advice? I could expect to spend 6-8 hours doing this?

jdraupp 09-06-2014 06:01 AM

Look for the online guides for throttle body cleaning. Should be a 30 minute job but since the guy at advance auto parts is showing you where stuff is on your porsche I dont know lol.

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