Q: Rough idle at start feels like beginnings of really bad problems and losing coolant

asked by on

From the very beginning it all started with my serpentine belt popping what happened was I had a bad harmonic balancer didn't notice it right away replace the belt again only the next time but it popped it actually got a little hot not completely butt I found out and change the harmonic balancer replace the belt ended up having to replace the battery was fine for a month or so then I did a coolant flush because the radiator was full of crud almost like mud and then I noticed I had a leak in it so i replaced it bled the air best as I could oh and changed the thermostat with a cheaper failsafe one but my car runs almost twice as much as it used to and still seems like its way to hot. Now on a cold start and seeming to get worse as I drive it everyday (no choice) it's got a rough idle until I accelerate like almost as bad as a bad maf and I have a two codes that come up oil pressure sensor circuit and bank 1 lean I'm not a beginner parts changer but I'm not an ace either ..yet ty all

My car has 105000 miles.
My car has an automatic transmission.

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. Rough idle at start feels like beginnings of really bad problems and losing coolant

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: Q: Transmission issue after a long drive

A few different faults can cause rough shifting after the vehicle warms up like this. The most likely would be the transmission fluid level, transmission filter, shift solenoids, torque converter, or the transmission linkage. Any of these, once warmed up,...

Q: My van is a custom conversion van, with LOW “Ground Effects” - what kind of jack will prevent damage.

Additional ground clearance, if required for any floor jacks, can be gained by driving the vehicle onto a very gradual ramp. Typically, ordinary 2 by 10's (ordinary framing lumber) is used for this purpose (designs vary, but it is easy...

Q: I hear a small noise every time I accelerate the gas

With the information you have provided, it sounds like you may be hearing the air as it is being drawn into the intake manifold. There are other possible causes, but this is the first thing that comes to mind when...

Related articles

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...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...