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david craig
david craig, ASE Certified Technician
Category: Mazda
Satisfied Customers: 889
Experience:  owner/mechanic at 3D Automotive
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I have a 2007 Mazda CX7 and I replaced the temperature

Customer Question

I have a 2007 Mazda CX7 and I replaced the temperature sensor and all seemed ok. Now the temperature gauge goes to high as soon as I start down the road however I get no hot air out of the vents with heater on.
Submitted: 7 days ago.
Category: Mazda
Expert:  david craig replied 7 days ago.

Hi Im David, thanks for visiting the site. are you getting a check engine light with the high temp reading?

Customer: replied 7 days ago.
Not yet. I assume that is due to the fact when you disconnect the battery the computer resets and no code have registered yet. I could drive it for a bit and see what happens.
Expert:  david craig replied 7 days ago.

not necessary

Expert:  david craig replied 7 days ago.

how long ago did you replace the sensor?

Customer: replied 7 days ago.
Saturday. I replaced 1 ignition coil, temp sensor and camshaft position sensor as the codes said to.
Expert:  david craig replied 7 days ago.

and so far the check engine light is off. do you remember the code for the temp sensor?

Customer: replied 7 days ago.
Honestly I cannot remember and I tossed the report away from the repair place.
Customer: replied 7 days ago.
It is weird that it goes high very shortly after we start moving. Could it be the thermostat?
Expert:  david craig replied 7 days ago.

how long after you started moving?

Expert:  david craig replied 6 days ago.

if your coolant is full in the radiator and reservoir. start the vehicle and let it run just sitting there and tell me what it does.

Customer: replied 6 days ago.
Sorry for the delay as I needed to test. Your trigger on the coolant in the radiator made me look there and I believe that it was empty. I had only poured coolant into what I believe to be called the overflow reservoir. I filled the radiator with 70/30 mixture and let it run for awhile. The temp came up to normal and then I drove it for 10 minutes and during that an engine light came on. I took it to O'Reilly and it came up with P0012 as the error code.
In short the temp issue seemed to come from the coolant. The new code is whole other research item.
Expert:  david craig replied 6 days ago.

ok. well at least we have that over heat issue figured out. change your oil and filter. that may take care of the new code.

P0012 MAZDA - CMP Timing Over Retard Right side Possible causes - Dirty Oil - Low engine oil level - Variable cam timing actuator stuck in retard position - Timing belt jumped What does this mean? Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) - Possible Lack/Loss of power - Possible Engine rough idle

Expert:  david craig replied 4 days ago.

just checking in to see how its going

Expert:  david craig replied 11 hours ago.

please accept the answer and leave a 5 star rating for me if you were satisfied with my assistance. if you need more help please let me know. thank you and have a great night

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