Loping idle 1995 honda accord occurs when ac is on for a few minutes seems like the compressor clutch is engaging and disengaging it is a nuisance and the air doesnt blow as cold

could need regassing , 11 years of use

Hi Adeyeri

Keep in mind that the Clutch won't engage for a few safety reasons.

Temperature inside vehicle
Temperature of compressor or pipes
Pressure inside pipes
Compressor jambed
Eg It's out of refrigerant Gas

You can momentarily engage the clutch by simply giving it +12v to the wire attached to clutch. Usually has a connector close by.
Or
If it has a Relay (click) in fuse box
You can by pass it with a jumper

A quick engage & disengage should allow you to detect possible problem.
But don't over ride the built in safety for more than about a minute.

Cheers
Hope this Helps

Vehicle Air Con testing YouTube

FIXED Car Compressor Clutch Won Engage

12 Volt Car Relays Used In Automotive Industry

Most engines have a device of some sort to bump up the idle speed when A/C is on. As you don't tell us what you are working on hard to say what yours has for this purpose.

With the engine turned off, test the a/c compressor clutch by applying 12 volts to the contacts. You should hear a click of the clutch engaging, and if not, the clutch is acting erratically.

it sounds like your AC may be low on gas

can you hear the compressor kicking on when you turn it on? If yes, the system may just need a recharge. Also they can iject dye into the system at the same time of charging to see if it has a leak.

Well, for one with the truck idling, the RPMs should increase every time that the clutch on the compressor engages. You should be able to see it engage and disengage and the RPMs will change accordingly. If this isn't happening then you need to determine why. Have the A/C blower on low when doing this.

replace the black relay between the 2 blue relays in the fuse box. cost about 5 bucks.

it could be the air conditioning clutch going out. to check turn your car on and idle it with ac on and hood open. at the ac compressor it will have a pulley on it with a clutch that engages when the air conditioning is on. if it engages and disengages it can be the clutch itself has gone bad, the ac clutch will also disengage if there is not enough freon in the ac system, will also engage and disengage if the pressure gets too high in the ac system. Depending on the year of the vehicle it will disengage at full throttle and come back on when you are not at full throttle.
If it is a metallic sounding screech for example take a coke can and drag it across pavement kind of sound it could be a bad compressor or a bad ac clutch. If it is a more rubbery sound for example a car spinning its tires kind of noise it could be a loose belt.

1. Check to make sure all belts are tight under hood
2. start car and look at ac compressor to make sure compressor pulley is turning and that the fan clutch is engaged spinning

when the ac compressor starts the diesel flow will be reduced and so the pick up will be reduced so that the car will be tuned