check engine light flashing and staying on

Asked by Oct 19, 2017 at 03:18 PM about the 2001 Toyota Corolla

Question type: Maintenance & Repair

Has about 174,000 miles on it hesitatent to
shift out of 1st and doesn't always won't to
accelerate out of 1st rough idle transmission
is a little brown ish I've done the spark plugs
and oil change and everything don't won't to
get rid of the car but nobody knows what is
exactly wrong with the car any ideas are
greatly appreciated

7 Answers

30,855

At higher mileages (125,000-150,000) the automatic transmission may not shift correctly. Could be caused by the throttle position sensor being out of adjustment (best to replace it (TPS) or a shift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled. Your fluid & filter need replaced. No power flushes, instead do a complete pan off transmission & install a new pan gasket to remove/change fluid/filter. May add lubegard Automatic Transmission Fluid (ATF) Protectant with LXE® Technology, the red bottle it will help your trans recover, just add per the instructions on bottle, do not over-fill trans fluid level.

2 people found this helpful.
30,855

The shift solenoids are in the transmission and can be replaced when the trans oil pan is removed to change the fluid * filter, just replace it and possibly may have others there you may wish to change out too like shift lock solenoid and Torque Converter Clutch Solenoid. After doing all this and trans is working good, every year you can use a fluid extractor to syphon out a quart or so of trans fluid and replace with new fluid to keep it fresh. But no power flush as this washes of the friction molecules off the clutches which is bad for your trans although it cleans it, you need that friction.

1 people found this helpful.

Thank you!!!

30,855

Your welcome.

1 people found this helpful.
30

Why the engine light is flash blink for few minute after on the key before start the engine?...but when start the engine the light is done off.

3 people found this helpful.
30,855

Not sure if I follow but if light goes off after engine starts then that is normal. If it seems not normal then take it to a parts store to get codes read.

I had the blinking engine check light so I changed the spark plugs as recommended by a mechanic I spoke to. After I changed it the light was still blinking so I then took it to a mechanic and he determined that one of the coils needed to be replaced. After he replaced it, car went back to normal and blinking light went away.

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