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Not all cars have a block heater.....not to be confused with heater core..2different thing..
If you do indeed have a block heater, pop your hood, and look for a standard electrical plug somewhere...follow it to where it goes into the engine block...youve now found your block heater
Air conditioning systems sometimes leak down and won't turn on when the refrigerant levels are too low.
Lift the hood and listen to the A/C compressor while someone inside the car turns it on.
Does the compressor engage for a second or two and then shut off?
If it does....you need to have your system checked for leaks and recharged.
If the compressor never comes on. Look at the A/C compressor relay. It should be under the hood in a little fuse box with other relays and fuses. When you find this relay you need to see if it works. You can buy a replacement relay and swap it or take it to a parts store and have it checked. Relays are 10-30 dollars and you should have three or four relays of the same type so a real cheap test is to swap a identical relay from an electric window or a defroster. You should see them sitting right next to the A/C relay if you have them.
Check fluid level when vehicle is cold.When it starts to overheat open the hood and make sure the radiator fan is blowing.If all this is OK then your thermostat may be bad.Look under the car when it overheats for leaks also.
I would talk to who cleaned the injectors, I don't know if it something they did or not. It could be a stuck open injector. The exhaust would have a raw fuel odor if it was. What it sounds like is a blown headgasket, which can just happen. The exhaust would have a sweet smell to it. Usually starts as a small leak (between cyl. 2 & 3), the engine burns the coolant while driving which you don't see. Then the coolant level gradually drops to a point where the car overheats, which warps the head, causing a large leak. Now you see the coolant burning (white smoke).
Good luck Honda Al
First dont let the needle go into the red anymore!!! i blew two heads already with my civic. this can be multiple problems. your idle is going up and down because you have a vaccume leak somewhere, it could be due to low radiator fluid, or hole in a radiator hose, your air intake has a hole, something is taking in unaccepted air causing your ile to be off. this could mean you are loosing radiator fluid in your head which is increadibly bad! if your tail pipe or antifreeze resivor is emmiting white smoke then you have blown your head and i guarentee its not cheap to fix. the problems for why your temp gauge goes up could range from a bad fan not kicking on, bad water pump, bad alot of stuff. its like a domino affect, you need to take it to a trusted mechanic before you cause more harm.
hi sounds like the bearings in the box if he doesn,t know know what hes doing leave it alone but the only simple thing you can check see if theres any leaks and the fluid levels to low you need to be on level ground lift the bonnet find the dip stick coming out of the box see if your lucky but i suspect not sorry best of luck yates210456