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anne darnall Posted on Nov 03, 2013
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I REVERSERVED THE CABLES on a jumpstart and now the check engine light is on and the engine will only rev to 1200rpm.

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Bill Boyd

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  • Toyota Master 53,816 Answers
  • Posted on Nov 03, 2013
Bill Boyd
Toyota Master
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Joined: Jan 04, 2013
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Run fault codes to reset the CPU but be prepared for a CPU replacement as reversing the leads when jump starting can cause a failure in the CPU.

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0helpful
1answer

I have a scion IQ 2012 it doesn't accelerate when I push the gas pedal I got a jumpstart somebody hook the cables up backwards what could happen

well doing that blows up electronics.
fire your jump man and send them, the bill.
here is what to do.
check all fuses. first, as in ALL , all in cab and all in engine bay
then scan the oBD2 port at drivers knee's scan it and see what blew up.
or get it can fixed in a real shop.
0helpful
1answer

Toyota isis plantana push to start with CARROZZERIA radio. Radio wont switc on after wrong jumpstart...

reversing cables blows out electronics.
only hope is fuse blow.
beyond that expensive repair.
learn use jumper cables properly or go broke fast.
1helpful
2answers
0helpful
1answer

My DTR lights wont shut off and drains the battery. Check engine light came on when car was jumped. I don't know if brake lights are working. Also I probably need new brakes pads.

IT SOUNDS LIKE WHEN IT WAS JUMPSTARTED THE CABLES MIGHT HAVE BEEN CROSSED FOR JUST A SECOND AND IT MIGHT HAVE BLOWN A COUPLE OF FUSESS YOU MIGHT WANT TO START THERE.
0helpful
1answer

1997 jeep cherokee sport

You have a possible issue with the voltage regualtor inside of your alternator.
You can drive to Autozone & have them test for under voltage & overvoltage condition, appears to be a voltage regulator failing.

Let me know how it turns out for ya!
Good luck to ya....

[email protected]
0helpful
1answer

Left no lights on inside the car overnight. went to start the car the next morning and it would not turn over. lights on the dash worked, cabin light dim, consecutive tries to turn over the engine made...

Battery is likely dead. Check alternator for charge current. Suspect alternator has failed. If you have a voltmeter, check voltage at battery after jumpstart and removing jumper cables (I'm assuming the engine will run for at least a few seconds). Voltage should be at least 14 vdc. If not replace alternator. If you don't have a voltmeter, you can remove the alternator and take it to the parts store to be checked. Any more questions, please reply.
3helpful
1answer

A fairly consistent tapping noise from the top of the engine between 50 - 70 mph. After 70-75 mph in seems to quiet down.

sounds like a lifter is bleeding out or starving for oil at low revs
check oil level and oil pressure
if thats good lifter or tappet clearance next to check
is engine seviced regularly?
slugde build up can cause problems also
if V6 petrol see a lot of worn valve guides causing noise worse when warm and noise comes in and out at 1200RPM
tappet clearance issue noise would be there all the time
lifter can also come and go while holding revs up
0helpful
1answer

Jumpstarting an 06 Audi A8L

connect Heavy Duty jumper cables from battery of a running car to the battery of your TT making sure you get polarities right way round hold the running car in neutral at 2000-3000 RPM for a couple of mins then try starting TT
0helpful
3answers

1998 Rodeo TF Series 2WD 5-speed manual

vacuum leak......bad tps.......bad mass airflow meter system........any of those are suspect...... also check for bad ground at battery to be sure all is not computer freak out from bad readings ...good luck
0helpful
1answer

1998 Holden Rodeo TR series 5-speed manual 2WD

run the fault codes
look for ambient temp sensor or baro sensor problems
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