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Trouble code p1646 toyota mr2 spyder smt

Getting codes p0860 and p1646

Posted by Anonymous on

6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 2003 toyota mr2 spyder 5 speed transmission grinding noise

Here is what is going on. When you push in the clutch pedal you remove the connection between the engine and the transmission. At this time all the parts in the transmission stop rotating.Since the only parts in the transmission that can rotate without moving the car are the input parts we can safely assume that the noise can only be from there.This can be a transmission input bearing. Worn Synchro mechanism (allows the transmission to shift without grinding the gears)Low fluid in the tranny. Or a bad clutch component. Top off or change the fluid. If it still makes the noise you need to take it to a tranny shop.

Posted on Nov 30, 2008

  • 2 Answers

SOURCE: toyota mr2 spyder repair manual

I got mine from a company called www.electronicmanuals. i think, you can buy it as a download or on a C.D.

Posted on Mar 25, 2009

  • 1 Answer

SOURCE: MR2 Spyder with SMT throttle failure

Its yours APS happened to mine too

Posted on Mar 05, 2010

  • 5 Answers

SOURCE: bad code p1646

P1646 is NOT an EVAP code - it refers to the upstream O2 sensor on bank 1.

Posted on Aug 10, 2010

  • 5 Answers

SOURCE: MR2 after 2 mins of starting the smt light comes on.

it sounds like the clutch actuator is worn out.
The clutch actuator has 2 parts:
1. the clutch master cylinder
2. the clutch slave cylinder.

Try to replace the slave cylinder first, and if it is still not solving the problem, then try to replace the clutch master cylinder

Good Luck

Posted on Sep 02, 2010

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1 Answer

Morning, On the way into work this morning my engine malfuntion light came on, any ideas? thanks Rebecca


Hi there,

There are numerous (hundreds) of reasons why your light would have illuminated. Cool thing is, you can get this checked for free :) Just drop by any one of your local auto parts stores like Autozone, Advance, O'reilly, etc., and they can plug a code scanner to your car for free. In most cases they can even give you a print-out of the diagnostic trouble codes found, and the possible causes for the code. Good luck!

Thanks for your vote :)

D

Aug 08, 2011 | 2002 Toyota MR2 Spyder

1 Answer

The engine starts to sputter and there is excess exhaust. When im driving it and press down on the clutch or stop the engine cuts out.


It sounds like you have an injector sticking. Is the service engine soon light coming on?
In either case, take your Spyder to your local Auto Zone and ask them to scan for trouble codes, write the codes down and respond back.
You should have a P0300, 301,302,303,or a 304 code stored indicating a miss-fire.
Let me know.
Regards,

Aug 21, 2009 | 2003 Toyota MR2 Spyder

3 Answers

Mr2 transmission


use only OEM Toyota trans fluid. If there is one lesson I learned with my MR2, its that Toyotas own trans fluid is the best. Yes, its a few dollars more, use it anyway.

As for your top, there is a product called Amazing Roll off. Its for boat canvases and its simply the best thing i've ever used. try it, you wont be disappointed.

Jun 19, 2009 | 2003 Toyota MR2 Spyder

1 Answer

Check engine light flash then steady


Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you need to diagnosed and repaired it. The list of possible codes number in the hundreds. The code itself doesn't tell exactly what component is defective - it only indicates where to look, or what engine parameter is out of normal range. You or a technician will have to perform further testing to pinpoint cause and the proper repair. If the light is flashing there is a severe failure of the emission-control system that is causing the engine to misfire to the point that the catalytic converter is damaged each time the Check Engine Light flashes. Even if you reset the light, if the underlying problem is not addressed it will come back on.

Apr 01, 2009 | 2001 Toyota MR2 Spyder

1 Answer

Toyota mr2 spyder repair manual


I got mine from a company called www.electronicmanuals. i think, you can buy it as a download or on a C.D.

Mar 21, 2009 | 2000 Toyota MR2 Spyder

1 Answer

MR2 after 2 mins of starting the smt light comes on.


it sounds like the clutch actuator is worn out.
The clutch actuator has 2 parts:
1. the clutch master cylinder
2. the clutch slave cylinder.

Try to replace the slave cylinder first, and if it is still not solving the problem, then try to replace the clutch master cylinder

Good Luck

Feb 06, 2009 | 2003 Toyota MR2 Spyder

2 Answers

MR2 Spyder with SMT throttle failure


Its yours APS happened to mine too

Dec 31, 2008 | 2003 Toyota MR2 Spyder

2 Answers

2003 MR2 will not idle


Possible throttle control motor failure. Possible Idle Air Control Valve failure.
Is the "Check Engine" light on? Hard to determine without more info. Sorry.

Sep 14, 2008 | 2003 Toyota MR2 Spyder

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