I have a 93 ford tempo and when i start it after it runs for about 30 secs it starts making this reallt loud air sucking like smog pump type noise from inside the throttle body i cant figure out whats causing this and the car runs at a real high idle even after the tps sensor has been replaced does anyone know what is causing this problem?
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Sounds like the connection to your ECM (the car's computer) isn't tight. find the ECM and pull connector off (might want to take off your negative battery connection first) and check if all the elec. pins are good(not bent), then reconnect and tighten it.The check engine light comes directly off the computer, so that's why I think you have a bad connection there.
As far as I know without checking it personally it sounds like it could be one of three things (in order from easiest to hardest). Clogged air filter, worn timing chain, leaking head gasket. To check for the third go to Auto Zone and get them to do a compression check, its free. I can't remember off hand but if the 93 has a TPS (throttle position sensor) that could also cause an irratic idle.
if this has a 2.3 L 4cylender engine on the back of the intake there is a air solenoid these are famous to stick acting like it is starving for fuel relay when it is air!.2 -10 mm bolts and can of EFI air intake cleaner spray it out good in side the rod purges up and down depending on gas and air flow I seen a hundred of these do that! I was at a ford dealer ship!!!!! 5 years good luck!
Are you sure it is the water pump, your year had a real problem with the crankshaft pulley coming apart, rattles like crazy, real loud, water pumps don't as a rule make very much noise they just start leaking.
I had the same problem a few months back with my 93 Tempo. After fiddling with the battery, checking for spark, and messing with my distributor cap, I found the emergency fuel shut off reset button in the trunk. If you haven't already, open the trunk, and on the left hand side there is a recess with a largish red button. Press it. If it clicks, then your fuel injector shut off because it though it had been in an accident (mine happened right after pulling into my driveway, where I had bottomed out a little bit, so it doesn't take much to set it off). If it clicks, your car should start immediately Hope it helps!