no power under 2000rpm
#1
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Join Date: Oct 2008
Location: spokane valley, washington
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Car: 91 RS
Engine: 305 tbi
no power under 2000rpm
I have a 91 RS 305 tbi auto. When you give the car more than about a quarter throttle at any time under 2000rpm it loads up and starts backfiring. I never had this problem before I did a tune-up. I have replaced plugs, wires, cap and rotor, fuel filter, air filter, and the crankcase filter. I am completly stumped and starting to hate throttle body injection.
#4
Re: no power under 2000rpm
Did you adjust your timing when you changed everything. I agree it sounds like an ignition issue. Also, does it blow smoke when it loads up? I had a similar problem a couple of years ago when my CTS (coolant temp sensor) went out. Luckily it's a cheap fix.
#5
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Car: 91 RS
Engine: 305 tbi
Re: no power under 2000rpm
So I found my problem. I had the number 2 and 8 wires swaped at the distributor. I also checked the timing to find it was set at 23 degrees advanced. The car runs great now. Thanks for all the adivce.
#7
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Car: 75 Beast
Engine: 383 +EBL Flash
Transmission: 700R4
Axle/Gears: 4.11 with 33"
Re: no power under 2000rpm
//RF
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