Q: Car running sluggish and overheating

asked by on

I recently had the starter replaced and my radiator flushed. Later on, my engine started running sluggish and hesitating. The radiator fluid also burst out of the reservoir and now the engine is overheating.

It sounds like there may be some air in the coolant system. After they drain the coolant and put in new coolant they may not have bled the air out of the engine. What needs to be done is take the radiator cap off and run the engine turn the heat on and keep filling the radiator up until there are no air bubbles coming out of the system and the coolant level no longer goes down. I would recommend a technician from YourMechanic come out and inspect your overheating problem and replace the head gasket, if necessary.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Car running sluggish and overheating

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: My vehicle is leaking anti-freeze like crazy and I have no heater

It sounds like you may have some coolant that is leaking out, causing the motor to overheat. Or, you could have a bad thermostat or a faulty cooling fan relay that is causing the motor to overheat which is then...

Q: Car accelerates, hesitates, and then runs normally.

I would have a technician diagnose the acceleration problem. This problem could be caused from either the engine or transmission. They will need to pull codes on the car in order to determine the cause.

Q: Honda accord p1739

Code P1739 relates to a problem with the clutch pressure switch, which may be electrical in nature or potentially due to low transmission fluid. Code P0730 relates to the transmission detecting an incorrect gear ratio. This may also be related...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...