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#1
07-15-2006, 09:55 PM
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Sluggish Acceleration
Hey guys. I've been noticing that recently, my 91 T-bird (Your basic 3.8, no chargers) has been slowing down. I'm talking off the line acceleration, it runs fine on the highway. I tried running fuel system cleaner in it, cleaning the air filter (K&N), changing the MAF sensor, but to no avail. Anyone have a clue?
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#2
07-15-2006, 10:29 PM
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Re: Sluggish Acceleration
when was the last time you tuned your bird up? i would start by replacing the pcv and egr valves and checking them for vacuum leaks.
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#3
07-23-2006, 06:08 PM
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Re: Sluggish Acceleration
I replaced the pcv valve with no effect. The EGR is getting replaced tomorrow, so I'll let you know how that goes.
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#4
07-24-2006, 02:21 PM
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Re: Sluggish Acceleration
Replaced both with no effect. Anything else I could try? Also I had another problem. The idle on this car is very high, and it cant be adjusted any further out. The thing will drive at a good 15-20 mph without me even touching the gas. Also, there are no vacuum leaks.
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#5
07-24-2006, 10:21 PM
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Re: Sluggish Acceleration
your idle problem sounds like the throttle position sensor. your throttle position sensor may be the culprit for both your problems.
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#6
07-24-2006, 10:23 PM
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Re: Sluggish Acceleration
also you may want to clean the throttle assembly with some throttle body cleaner.
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#7
07-25-2006, 12:04 AM
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Re: Sluggish Acceleration
Yea, I thought before it was the throttle sensor, but when I replaced it, it didn't help much.
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