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Question edited for all the typos and spelling errors.
Question moved to year, make model category.
You need an auto electrician with a pro grade scan tool to scan for diagnostic trouble bodes and communication issues. When you change the Throttle Body and the Throttle Position Sensor, they need to be reset. You can try yourself though
There is an adjustment to be made. Loosen the bolts and adjust the rotation until the specs are met.
MX-3 with 1.6L DOHC and 626/MX-6/Probe with 2.0L Engine
MANUAL TRANSAXLE
Detach the connector from the throttle position sensor.
Connect an ohmmeter between terminals IDL and E.
Insert a 0.004 in. (0.1mm) feeler gauge between the throttle stop screw and stop lever.
Verify there is continuity between terminals IDL and E.
Then replace the feeler gauge with a 0.027 in. (0.7mm) feeler gauge, verify there is no continuity between terminals IDL and E
Then open the throttle wide and verify there is no continuity again between terminals IDL and E.
Next, connect the ohmmeter between terminals POW and E.
Insert a 0.004 in. (0.1mm) feeler gauge between the throttle stop screw and stop lever.
Verify there is no continuity between terminals POW and E.
Then replace the feeler gauge with 0.027 in (0.7mm), verify there is no continuity between terminals POW and E.
Then open the throttle wide and verify there is continuity between terminals POW and E.
If not as specified, adjust or replace the throttle
AUTOMATIC TRANSAXLE
Detach the connector from the throttle position sensor.
Connect an ohmmeter between the terminals IDL and E.
Insert a 0.004 in. (0.1mm) feeler gauge between the throttle stop screw and stop lever.
Verify there is continuity between terminals IDL and E.
Insert a 0.024 in. (0.6mm) feeler gauge between the throttle stop screw and stop lever.
Verify there is no continuity between terminals IDL and E.
Connect an ohmmeter to the throttle sensor terminals Vt and E.
Verify that resistance increases as throttle valve opening increase.
With throttle valve fully closed the resistance should be below 1 kilohm and as throttle valve is fully opened resistance should increase to approximately 5 kohms.
If not as specified, adjust or replace the throttle sensor.
Well, to get it in gear, you can do a few things. The first being press
the clutch in and run it through all of the gears without applying
throttle and then try reverse again. You can also let off the clutch
half way and slightly pull the shifter in to reverse. As you let off,
it'll eventually pop right in to gear.
Sounds like the ECU is struggling to maintain a constant speed when the throttle is open on cretain spots. Does this vehicle have a TPS (throttle position sensor)? If it does then it probably needs to be put on a scope and properly adjusted for continuity. Or could be that some other factory settings have been tampered with on some smog components. Either case, its most likely your air/fuel ratio.
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