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post #1 of 7 (permalink) Old 01-13-2004, 02:11 PM Thread Starter
 
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Throttle response

I seem to be having problems with throttle response. I will gas it and sometimes it will take a few seconds to kick in. Ive done pretty much all I can to tune up the engine. Ive cleaned both upper and lower intake manifolds, cleaned MAF, K&N filter, new plugs, cap, rotor, transmission filter and fluid, of course oil and filter, reset the computer everytime i made an adjustment, greased throttle cable and linkeages, and some more im probably forgeting. Could it be my tps? Am I forgeting anything?
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post #2 of 7 (permalink) Old 01-13-2004, 03:25 PM
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run some injector cleaner with your next tank of petro. clean your IAC with electrical contact cleaner.

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post #3 of 7 (permalink) Old 01-13-2004, 09:05 PM Thread Starter
 
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Thanks Big Mike, I ran injector cleaner through it about a month ago. I cleaned the iac last week. When removed the fuel injectors to clean my lower intake, the injectors looked kinda rough. I might need to relace them. I was looking at them last night but damn, $40-50 per injector? That adds up to alot. I forgot that I had a code reader. Im going to put it on it tonight and see what reads.
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post #4 of 7 (permalink) Old 01-19-2004, 02:41 AM
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If you are interested in fuel injector servicing (rather than buying new), here are some pages I have found with good prices:

http://www.fuelin.com/page5.html

http://www.cruzinperformance.com/fuelinj.html

http://www.lindertech.com/reconinj.htm

Also, you may have problems with a sensor. I would think the O2 sensors, TPS, and ECT (coolant temp) sensor are the main suspects if nothing else fixes the problem.

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Owner, 1990 Thunderbird SC, white w/ gray cloth
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post #5 of 7 (permalink) Old 02-05-2004, 12:14 AM
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Yup. O2 sensors. I had delay problems and changing the o2 sensors fixed it.
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post #6 of 7 (permalink) Old 02-05-2004, 10:24 AM
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On my 87 i had a similar problem and it was my Throttle Postion Sensor.

Solid Black 1987 T-bird 5.0
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post #7 of 7 (permalink) Old 02-05-2004, 12:21 PM
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It's most likely the TPS, but that should throw a MIL. Check your timing.

PJ

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