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Ply- 2.5L TBI falls flat...
My 1987 Reliant 2.5L TBI auto Station Wagon (128K)
falls flat on its face when I attempt to floor the
gas. Starts and idles very well. Everything has
been replaced on the Throttlebody except the T/Body
temp sensor (no problem with hot restarts). Has
new Logic unit (ECU)/coolant temp sensor/fuel
filter/pressure regulator/air
filter/distributor/cap/rotor/hall
pickup/plugs/TPS/AIS/MAP/O2/Auto Shutoff-Relay.
Installed a fuel pressure gauge and engine holds 14
lbs. at idle (thats normal) and up to about 2k
rpm. When revved wide open it dips below 10 lbs.
The bogging down seems to get worseafter 20-30
miles. A weakening fuel pump or a clogged fuel
sock? Any ideas?
falls flat on its face when I attempt to floor the
gas. Starts and idles very well. Everything has
been replaced on the Throttlebody except the T/Body
temp sensor (no problem with hot restarts). Has
new Logic unit (ECU)/coolant temp sensor/fuel
filter/pressure regulator/air
filter/distributor/cap/rotor/hall
pickup/plugs/TPS/AIS/MAP/O2/Auto Shutoff-Relay.
Installed a fuel pressure gauge and engine holds 14
lbs. at idle (thats normal) and up to about 2k
rpm. When revved wide open it dips below 10 lbs.
The bogging down seems to get worseafter 20-30
miles. A weakening fuel pump or a clogged fuel
sock? Any ideas?
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Comments
http://www.allpar.com/cgi-bin/tech.pl?read=38366
Sounds like it starves for fuel at wide open throttle.
How new is the fuel filter?
Yea, change the fuel pump.
What is a fuel sock?
The only other thing I can think of is that the timing is slightly off.
good luck
TB
My 1986 Reliant, 2.2L, had a bad cat conv at one time.
The symptom was a bucking and power loss feeling. If I let the car sit for 5 minutes or less, it would fire right back up again.
It would occur when climbing a steep hill which required the use of more gas pedal.
good luck