Question about 2004 Suzuki Verona

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Code po703 car will not do over 20mph and wont shift

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  • Suzuki Master
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Double posted. see other post, see schematic.

that's a transmission code.
- Faulty Brake Switch
- Mis-adjusted Brake Switch
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
http://engine-codes.com/p0703_suzuki.html
Can this car actually have brakes stuck on , sure but
the above is only the brake lamp stuck on. that is, the switch. failed
or maladjusted. (do any brake work? latetly)
low engine power.?
Can this light and low power be related?., heck I dont know
i cant drive this car., but i can push it by hand (feel drag) and
spin tire/wheels on jack stands and tell if there is drag in about 15min work.
no drag then the switch is bad. and the engine power
is un related.
if the brake lamps are stuck on, the switch is bad. (or not adjusted right) a simple switch test is easy and fully covered in the FSM.
you can google for simlpe tests or youtube them..
"how to test PRNDL switch)
stall test 1: video. (this Clutch TC , causes this magic)
Read more: http://engine-codes.com/p0703_suzuki.html#ixzz2lN9EPjVh The TC heats fast so do so quickly.


when a car cant go over 20mph , it;s
1: lost engine power.
2: bad tranny (slips. or is seizing.,etc)

does the tranny pass the stall test and not slip?
http://auto.howstuffworks.com/under-the-hood/vehicle-maintenance/how-to-test-torque-converter.htm

5second max let cool for 5min, repeat if necessary.
video
http://www.youtube.com/watch?v=wfjUNfQ3FrA

LOW POWER> (driving engine power, to tires)
this stall test , shows 2 things,
1: the engine has power. (normal) spec RPM.
2: the transmission does not slip. (RPM way to high , slips)

for people with A/T (complex ) this is 1 test of many in the FSM
the FSM has 100 pages on ON CAR testing.
I do not know, your cars, stall speed spec. , i do not have the FSM.
if doing work on your own, car, i highly recommend getting one.

does the stall test fail in all gears? L and drive, or 2 ? etc?
and revers?
RTM.

Posted on Nov 22, 2013

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Posted on Jan 02, 2017

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