Car won’t go over 20mph
Depending on what specific vehicle you have, this may be caused by a number of things that may have caused the vehicle to go into a fail safe mode or "limp mode." This can happen when the vehicle’s computer detects a problem with an engine or transmission malfunction. Typically, when this happens this will also cause a check engine light to be illuminated in the dash and may also have a diagnostic code stored in the computer indicating what the fault is. I would suggest having a professional from YourMechanic come to your location to take a look at the vehicle to determine what ma be causing this.
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In most cases, the transmission won`t shift over the third gear for the engine`s safety. If the transmission is not going over the third gear, you can`t drive very fast. If you notice all these symptoms, your car is in limp mode.
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You will need to have the vehicle raised and the axles inspected for broke or stripped shafts. If the axles do not have anything visually wrong with them then hold one wheel and try to turn the other wheel while transaxle is in gear, with engine off, to see if the wheels are locked together. When you spin one wheel the other wheel should turn in the opposite direction. If it does not then the problem is in the transaxle differential gears and the transaxle would need to be removed and disassembled to find the broken internal components.
If you need some assistance with this, consider YourMechanic, as one of our mobile technicians can come to your home or office to diagnose your acceleration issue and help make the necessary repairs to get you going again.
Usually this issue is cased by low cranking amps inside the battery. If you’ve recently had the battery replaced, it’s possible that an electrical component that makes up the charging system might be damaged or faulty. It’s also quite possible that the main electrical relay or the starter relay is giving you fits. To know for certain what the exact issue might be on your 1989 Toyota Camry, you should have a professional mobile mechanic complete a car is hard to start inspection, so they can pinpoint the source of your issues and recommend the right repairs.
If your vehicle is under warranty, by law the dealer MUST repair the issue you are describing within a prescribed time frame and number of "attempts", otherwise the dealer will run afoul of Federal and state Lemon Laws that give you very specific rights, and recourse (contact an Attorney; we are Mechanics, NOT attorneys). Consequently, if the vehicle is still under warranty, to save yourself money do be sure to seek a resolution from the dealer. If the vehicle is not under warranty, obviously a certified Mechanic from YourMechanic could identify the electrical fault and resolve this for you. If you want to go that route, please simply request a no start diagnostic -electrical system and the responding certified mechanic will get this taken care of for you. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.