Transmission stuck in forth gear check engine light is on.
Auto transm.stays in 4th gear all the time.d4 on panel was blinking.i had local mechanic do diag.scan since check engine light was on.mechanic said check tcu and ecm.i had both tcu and ecm refurbished with reputable company. still have same symptom except d4 no longer blinks.if u manually shift to lower gear car begins to miss and sputter badly.car runs ok in 4th gear (except for no power from dead stop) until u reach 70 mph then missing and sputtering starts.
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A blinking check engine light means you have a misfire bad enough to harm the emission control devices IE: catalytic converters. Have it scanned at the local auto shop and it will tell you where the problem is so you can repair it. Autozone will scan for free usually.
Hi, a few questions 1st. Did your mechanic check for engine codes? Is your Honda a v-6 or 4 cylinder? The flashing D4 light indicates a possible transmission malfunction. You should avoid rapid acceleration until the cause of the light blinking is determined. If you have the V-6, there is a diagnostic port to connect a scan tool to read any stored engine codes that have turned on the check engine light. This port is located behind the ashtray in the center console (most cars did not have this til 96). If you have the 4 cyl engine, there is a service connector located under the dash on the pass. side. Inside the connector is what looks like a 2 wire plug should be attached. Take a paper clip, unbend it, and insert the 2 ends of the clip into the connector to 'jump' it. Turn the ignition switch to the on position (don't start the vehicle), and the check engine light will flash. Count the flashes, short flashes are for code #'s 1 to 9 (single digit code), a 2 digit code will be a long flash for the 1st digit, followed by a short flash for the 2nd digit. If there is more than one code, they will be separated by a pause. They will repeat so you can count them and write them down. Let me know what the code #'s are so I can help further. Curt
Blinking light means there is a trouble code.There is a procedure to manually pull codes from the computer.Have the codes checked,have them written down.It could be just shift solenoids,or could even be something more serious,but thats the starting point.