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sprinkles08, ASE Certified Technician
Category: Saab
Satisfied Customers: 22363
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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When the car is stopped at a red light it doesn't seem

Customer Question

when the car is stopped at a red light it doesn't seem accelerate that great on pedal push but than gets going.
Submitted: 9 months ago.
Category: Saab
Expert:  sprinkles08 replied 9 months ago.

Hello and welcome to Justanswer!

You could have a number of things going on. You could have an engine performance concern, a bad throttle position sensor, it's possible that what you're feeling is actually a transmission related concern. If the transmission isn't taking off in first gear then it's going to feel sluggish on takeoff from a stop.

What year and model is the vehicle and what engine do you have?

Customer: replied 9 months ago.
2001 9-5 b, this more noticeable when it is 98 degrees or more outside.
Customer: replied 9 months ago.
ignore b typo
Expert:  sprinkles08 replied 9 months ago.

Have you checked for fault codes?

Customer: replied 9 months ago.
non functional
Expert:  sprinkles08 replied 9 months ago.

Can you clarify your last post?

Customer: replied 9 months ago.
the default censor doesnt work
Expert:  sprinkles08 replied 9 months ago.

I'm not sure what you mean, please explain.

Customer: replied 9 months ago.
oh, are you referring to the device that a mechanic hooks up to check
Expert:  sprinkles08 replied 9 months ago.

A scan tool or code reader needs to be connected to the data link to see if any fault codes are setting. That is the first step in diagnosing the problem.