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1992 Honda Prelude - Page 6 Questions & Answers
The idle jumps when engine is cold from 1000 to
Being efi (electronic fuel injection) the idle should be higher when starting off cold...in the older days, you used to use a choke, a handheld lever that you pulled out to shut off the air to result in a rich mixture...due to cold air there is alot of oxygen molecules, so a choke increases the fuewl mixture to compensate aiming for that 14.7:1 air to fuel mixture ratio
BUT it should not be that high, what is happening is that is dumping too much fuel in and you are having to go WOT (wide open throttle) to prevent a "flooded" condition..
Why ???? Well, it could be a faulty air flow sensor, a faulty or out of adjustment idle control, bad fuel, bad air filter, fuel filter, fuel injectors bad....etc etc
So, more info is required to solve it......when was the car last serviced, and does it only occur when cold, or do you notice that it is hard to start when hot as well.
My 92 prelude (95 h22a
The idel even on a stock car will vary if the TPS is bad or miss adjusted. The TPS has two circuirts. one is the varible with the position and the other is the on idel and off idel. working with the wires disconected find the idel on and off with an OHM meter. set the position with the idel closeed and as soon as its moved it's off recheck to make sure it does'nt hang and then disconnect the battery and go thought idel relearen knowing the the idel off works ( start the car with the pedel down and then keep the r's at 2000 pluse steady for 2 minutes, then slowqly idel down till it idels on it's own and then let it idel, do this with everything on , AC, Brake,Headlights and everthing eles. Let it idel for a minute and then shut it off) Now it's set unless you've done somehting to upset the computer.
When i try cranking the car sometimes the fuel
there is a relay that goes to your fuel pump, u might wanna try replacing that and see if that helps your problem. if it doesent than i would try replacing the fuel pump itself. hope this helps you and have a good day :)
How to assemble honda prelude head light
follow you nose on this one as i havent changed one in years ,its not difficult on a vehicle like this of this age ,you might have to remove the bumper though ?? but i honestly cannot remember
How do you set the timing on a 92 honda prelude
Hi there. Firstly you need a strobe light, I hope you have one of these. Firstly when the engine is stopped, you need to locate the timing marks on the crank pulley - they are a series of indentations on the crank pulley and you will see the pointer on the crank pulley cover. The largest indentation on the pulley is TDC (Top Dead Centre) and the three smaller indentations are your timing marks. When the engine is at normal operating temperture and idling, using the strobe light, the centre small timing mark should be aligned with the pointer on the crank pulley cover. If it's not aligned, loosen the distrubutor body and turn in the appropriate direction to either advance or ****** the ignition timing. Hope this helps, Scottech.
My 1992 Honda Prelude... will turn over but will
Before you have changed the pump and filter it was important to confirm the fault by checking out when the fault occured. But not to worry we have these suspects out of our list. It is important to check your plugs, the HT coils specially when the fault occurs. A test on the HT on the coils and the plug will confirm this. Also check on the distrbution and the LT triggers from the ignition unit. This could be a possible failure.Assuming that the fuel system has been checked out well your fault must be lurking in the ignition side. I hope you have patience to test this out. Good day
Fuil pump place location
It is inside your fuel tank, you will need to lower or drop your fuel tank to temove your fuel pump.
How to Change Thermostat
You'll Need:
NEW Thermostat and NEW Thermostat Gasket - Ratchet - 10mm Deep Well Socket (or) extension) - Phillips Screw Driver - Pliers - Empty Milk Jug
- DIAGNOSE: Do you have trouble getting your Prelude up to temperature in the winter with little to no heat yet it still runs perfect? Does it over heat in the summer? You most likely have a thermostat that is stuck open or stuck closed. The normal operating temperature of the 92-96 Honda Prelude is exactly at the halfway mark on the digital gauge on your dash. The thermostat is a spring mechanism activated by pressure and temperature built up in your cooling system. Coolant is traded back and forth between your engine and your radiator as needed with a properly functioning thermostat. Before beginning this repair, confirm that you don't have any major coolant leaks. Check your coolant level. It should be full even with a bad thermostat unless you had a major overheating incident. A large leak will result in similar behavior yet it could be something else like a radiator, head gasket or radiator hose.
- Step 2 PREPARE: Find a suitable place to work, it will reduce stress. Indoors in a garage with plenty of lighting is best. Cut the top off of an empty and clean 1 gallon milk container. Mostly just the top, make sure you still leave the handle. If it fits under the front of the car don't worry about using a jack. If you use a jack, follow all of the precautions listed with your jack and/or jack stands. Using gloves during this entire process will prevent you from chemicals, cuts and grime. You'll need to twist open the drain plug on the bottom center of your radiator. Do this only when the motor is NOT HOT. Once the gallon container is near full, you have drained enough from the system to prevent a mess when removing your old thermostat. Close the drain plug at this time.
- Step 3
DISMANTLE: Now remove the air intake tube by unsnapping it from the air box housing first. You'll need to back out the Phillips screw on the clamp that holds this tube to the throttle body. Then carefully disconnect any hoses attached to it as you wiggle it up and out of the way. Now you will see that the lower radiator hose actually snakes up into the thermostat housing. Collapse the clamp on this hose and slide the clamp back about 4 inches onto the hose. It will require a firm grip to twist the hose back and forth to free it up from the housing. Do this while pulling back on the hose to pop it off. When removed, try to prop the hose in an upright position to prevent gravity from drawing coolant through it. Now, remove the (2) 10mm bolts that hold the thermostat housing on. Wiggle it off and take note of which way the thermostat is facing. It is important that you install the new one facing the same way. It's a good time to CLEAN the parts that will be going back on and clean around the thermostat opening on your engine. Don't use anything that would scratch the aluminum, you're just trying to remove calcium and the oxidized roughness.
- INSTALL: Now place your NEW gasket on your NEW thermostat paying attention to necessary position of the gasket. Some people will use a sealant when reinstalling. If your surfaces are mostly clean, the rubber gasket will be just fine. Position the thermostat back onto the motor exactly as it was removed and DON'T FORGET TO PUT THE GROUND WIRE ON when you put the 10mm bolts back on. Don't over tighten or you'll snap one. Compare it to how tight it was when you removed it. Put everything back the way you removed it and pour the coolant back into the top of the radiator with a funnel.
Follow all safety precautions included with all of the equipment and tools you use. Avoid antifreeze spills. Keep plenty of towels available to clean up messes. Don't forget to wear gloves. Do this job with the engine COOL.
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