11-20-2007, 02:13 PM
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#1
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Registered User
Join Date: Aug 2007
Location: FL
Posts: 51
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Running awful
Hey, ive got a 2001 boxster. It runs really bad, idles bad, starting off in first it will shudder really bad at excessivly high RPMs (1500) it stalls really bad has a huge delay when u step on gas. ive got a new fuel filter in it and a fuel pump, and air filter. Any ideas.
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11-20-2007, 02:17 PM
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#2
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Registered User
Join Date: Jan 2007
Location: Texas
Posts: 1,311
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Any codes coming up? Sounds like it would be flashing like crazy if it has been stalling. Bring it to the dealership and at least get a diagnostic run on it. We really need more info to give you any type of advise.
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11-20-2007, 02:28 PM
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#3
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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Funky idling & hesitation at throttle.....sounds like it possibly could be a bad Mass Air Flow sensor. Is your check engine light on? Are you running a oil based air filter?
If this is the problem,do not buy it from the dealer. I've heard these things can run up to $550 at the dealer,$250 from www.************************************************************.
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
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11-20-2007, 02:36 PM
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#4
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Registered User
Join Date: Sep 2006
Location: chicago
Posts: 3,510
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thats exactly what happened to mine when i had a bad MAF. i had to push it back into my driveway how bad it was.
take the battery pos lead out, take the maf out, plug it back in, and see if it goes back to normal. if it does, theres your problem
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11-20-2007, 04:46 PM
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#5
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Registered User
Join Date: Aug 2005
Location: orange county, ca
Posts: 248
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Quote:
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Originally Posted by P-51 Mustang
Hey, ive got a 2001 boxster. It runs really bad, idles bad, starting off in first it will shudder really bad at excessivly high RPMs (1500) it stalls really bad has a huge delay when u step on gas. ive got a new fuel filter in it and a fuel pump, and air filter. Any ideas.
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Sounds like your throttle body is dirty. Take it apart and clean it. A bad MAF would more than likely throw a CEL would even put you in a dead stall with the symptoms you mentioned
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11-20-2007, 05:18 PM
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#6
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Registered User
Join Date: Sep 2006
Location: Montreal
Posts: 502
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Hi, If the car was running fine before replacing the fuel filter and pump I,d say something went wrong with the install, if you replaced these items go over what you did just to be sure ,if not bring it back to the mechanic who did the installation and ask him some questions.
Good Luck
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11-20-2007, 11:24 PM
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#7
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Registered User
Join Date: Aug 2007
Location: FL
Posts: 51
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the car was running bad before the fuel pump and filter, I am going to clean the throttle body, and check the MAF, because it smokes really bad on startups, but its not oil its running to rich. I have no CEL's. Thanks for the leads!!!
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11-21-2007, 04:54 AM
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#8
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Registered User
Join Date: Sep 2005
Location: Sacramento
Posts: 3,417
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Quote:
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Originally Posted by P-51 Mustang
the car was running bad before the fuel pump and filter, I am going to clean the throttle body, and check the MAF, because it smokes really bad on startups, but its not oil its running to rich. I have no CEL's. Thanks for the leads!!!
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If it's smoking pretty bad at start up I'd think it could be the Oil Separator as well. This may be worth paying a shop to diagnosis.
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house
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