My 2003 corolla has engine ping when cold.

75

Asked by Jul 30, 2013 at 08:29 PM about the 2003 Toyota Corolla LE

Question type: Maintenance & Repair

I've had the car since it was new and first noticed the pinging when it was a few years old
but only when it was extremely cold (teens). Now it's noticeable when it's 60 degrees. It
sounds like a diesel engine. Are there any suggestions on what this could be?

8 Answers

86,565

I would recommend having the car scan with a live data scanner, it is possible that a sensor is out of calibration causing your problem. Are you sure your fuel is good?

2 out of 2 people think this is helpful.
86,565

I have also heard of some car sounding like that when a headgasket is blown between cylinders.

1 out of 1 people think this is helpful.
23,525

Does the sound go away once the motor comes up to operational temp? Also weight oil are you using?

1 out of 1 people think this is helpful.
75

When it warms up I do not notice the pinging

2 out of 2 people think this is helpful.
75

I've always used the recommended 5W30 weight oil.

2 out of 2 people think this is helpful.
23,525

Depending on your climate it may be to light weight, also if you are getting temps into the teens I would definitly install engine block heater to keep the motor nice and toasty until your ready to use it.

1 out of 1 people think this is helpful.

I have a 2006 Corolla, so same engine and I live at high altitude where it gets very very cold and use 5/30 Mobil1 year round. That oil is fine as for viscosity but hopefully you use synthetic. But both of those guys are right, please take tennisshoes suggestion and get some OBD codes and bring them back here... buy only name brand gas, with detergents, from someplace that sells lots of gas, you know it's 'fresh' and water free and try going mid grade 89. Please let us know what happens.

1 out of 1 people think this is helpful.

I predict you get a P0351

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