Question about 2009 Chevrolet Optra 1.6

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Chevry optra. engine light comes on hard shifting into drive

Engine light comes on and hard jerking shift into drive

Posted by Anonymous on

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  • Chevrolet Master
  • 11,003 Answers

Take it an have checked for DTC'S - diagnostic trouble codes . Do you know what they are ? Check Engine Light On

Posted on May 16, 2016

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 82 Answers

SOURCE: gear jerking

when it jerks does the check engine light come on? If so find a reputable transmission shop and it is a simple fix. Costed me $88

Posted on May 05, 2009

  • 124 Answers

SOURCE: car is jerking and rpm is moving up and down

I would start with a tune up then. Is your check engine light on or flashing.

Posted on May 06, 2009

  • 1 Answer

SOURCE: 1999 chevy malibu

This is a (o2 I think) sensor on top of the engine, right hand side. I had my car worked on and this happened when I picked it up. The repairman had unplugged it and when it was plugged back in, it worked fine.

Posted on Jun 05, 2009

  • 57 Answers

SOURCE: transmition shifting hard

this is a common problem with the 4l60e transmission,
you need to have the system scaneed for codes, my guess is you will get a p1870 code,
this means internal slippage detected.

the most likely cause is a valve body malfunction, here is what happend.

the internal transmission line pressure is adjusted by the EPC solenoid, this solenoid is controlled by PWM "pulse with modulation" which simply means that the solenoid is turned on and of many times a second, the longer the on time the lower the pressure the longer the off time the higher the pressure, this on off on off rythem creates a fluid pressure pulse in the system.

now when your on the highway at cruising speed the transmission goes into lock up operation, the tcc valve is in the valve body, the valve is a high strength metal valve and the valve body is constructed of aluminum, as the tcc valve is acted upon by the pulsed high pressure fluid it will somewhat flutter in its aluminum bore and over time will damage the valve bore causing the lockup to slip a little bit.

the pcm detects the slippage, sets the check engine light and in an attempt to preserve the transmission the EPC is commaned full off which in turn puts the transmission at max line pressure and now you have an extremly harsh 1-2 shift.

solution:
have the valve body replaced or allow a transmission shop to remove the valve body **** the tcc valve bore and intall an updated valve.

ps. it will not hurt the transmission if continue to drive it.

Posted on Jun 14, 2009

cj2176
  • 520 Answers

SOURCE: i have a 1994 chevrolet 3500 454 dually,having

Transmission has over heated. Watch it close.

Posted on Jun 25, 2009

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Dtc 0700 jerks when shifting from reverse to drive


The transaxle Control Module (TCM) monitors the malfunction of sensors and actuators relating to transaxle control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code and it means the TCM detected a malfunction with the transaxle controls.
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to inspec the transmision filter.
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My 2005 chevy impala started jerking and then it wouldnt chnage gears unless i press the gas all the way to the floor is it the transmission?


no on 05 chevy the transmisson shift is control by vacume look for a vacume line that is dry rooted or has come off start at the engine first then work the way down to the transmisson. a line off or dry rotted any where in the syastem will give you a hard shift sometiimes like a hard jerking motion when
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you have to take your car to workshop and check transmission with computer, that is ONLY way to know problem of your transmission.

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Car is jerking and rpm is moving up and down


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when it jerks does the check engine light come on? If so find a reputable transmission shop and it is a simple fix. Costed me $88

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