1991corolla when you put car in gear it acts like it is missing air cond makes it worse?

1. Why is my car misfiring when the AC is on?
2. Why does my AC lose power when I accelerate?
3. Can a bad AC compressor cause a misfire?
4. Does car AC affect transmission?
5. Do spark plugs affect AC?
6. Why does my car AC only get cold when I accelerating?
7. Is ignition coil expensive?
8. Can a bad AC compressor cause transmission problems?
9. Can a bad AC compressor cause other problems?
10. Can a bad AC compressor cause engine problems?

Why is my car misfiring when the AC is on?

Basically when your AC is on, you demand more torque from the motor than if AC wasn't on. If your engine isn't getting enough air, fuel, or spark, then that results in misfire.

Why does my AC lose power when I accelerate?

Typically this occurs due to a bad vacuum check valve under the hood. During hard acceleration the AC door system loses vacuum, causing the doors to default to the windshield. This check valve keeps this from occurring.

Can a bad AC compressor cause a misfire?

unlikely the ac would cause a misfire.. more likely its a motor mount, or an idle rpm issue. the pcm commands higher rpm when the compressor is running. no need to do any diagnostics, just start with the most expensive part and move toward the cheaper ones.

Does car AC affect transmission?

The tranny is not affected by the AC. The AC puts more load on the engine which slows it down.

Do spark plugs affect AC?

The actual energy passed through the sparkplug is very small, it's really just a high Voltage, low current arc. The engine that uses the sparkplug for its ignition source however will easily produce enough power to drive an air conditioner, but this is at the expense of the fuel that it consumes.

Why does my car AC only get cold when I accelerating?

Most likely problem is with fan system not operating properly to move air through condenser while stopped or moving slow. Dirty cooling fins, faulty fan clutch or malfunctioning sensor could cause this. Another possibility is charge in system is low affecting its efficiency. Lack of refrigerant.

Is ignition coil expensive?

The price for ignition coils is between $168 and $218. And the labor costs are estimated between $51 and $64. This price does not include taxes and fees, and it will depend on the make and model of the car, or unique location.

Can a bad AC compressor cause transmission problems?

Air conditioner compressors are not engaged unless the air conditioning is switched ON. ... As long as the A/C compressor is not physically damaged (broken or seized), it should not effect the normal operation of the engine and transmission.

Can a bad AC compressor cause other problems?

Low AC Refrigerant. Poor AC performance can often be traced back to either compressor failure or low AC refrigerant. ... Inconsistent AC Performance: Refrigerant leaks will only continue to get worse as the problem continues. On the other hand, a failing AC compressor might work well one day and poorly the next.

Can a bad AC compressor cause engine problems?

More importantly a bad compressor can be dangerous. If your compressor's bearing goes bad, your engine can seize due to the stuck compressor. If you are traveling at speed and the car shuts off, you no longer have power steering nor is your brake booster functioning.