Question about Seat Toledo

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My SEAT 2003 Toledo is stuck in idle. I hooked up a code reader and got a P0121 code for the PCM, and it seems to have gone into Failsafe mode and idle only. Anyone know how to reset the failsafe?

2003 Seat Toledo 1.6 16V gas

Posted by Leon Deer on

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5 Related Answers

raygin

Raygin

  • 322 Answers

SOURCE: failsafe engine mode

The failsafe mode can appear following numerous faults being detected - some faults can be momentary and register but not cause a problem. These are normally reset by just turning ignition off/on. get the fault code memory read at a garage and this may give you a clue as to a possible problem developing. Failsafe mode will give you reduced engine performance but will allow you to drive for normally some distance. If a serious problem developes your car message centre will tell you to shut off the engine or it will shut it down.
good luck.

Posted on Mar 20, 2009

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Anonymous

  • 1 Answer

SOURCE: failsafe engine mode light comes on, codes

Just a quick mention - for about a month my XK8 low coolant light came on intermittently. This week with no notice while driving normally I got Stability Control Fail and FailSafe Engine Mode and wtih great difficulty got the car back to where I started from (less than a mile). Two days later (when got time) and after a bit of research, I tried it again - same problem and a very unhappy engine. I then disconnected the battery for 15 minutes (probably more) to clear the engine codes as well as check all the wiring and vacuum stuff I could under the hood (at a Jaguar master mechanic's recommendation). No problems found but the car would start and immediately stall with the air intake hose disconnected from the intake butterfly. After I reconnected the air intake hose, she started and purred like normal. The problem is the BATTERY... It is low - I've known it for a LONG time BUT it always started right up and never skipped a beat. I intend to replace it tonight but fully expect that's the issue. I've had the car 6 years (it's a 98) and had NO problems except a dead taillight asembly.

Hope this is of value...

Posted on Apr 22, 2009

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Anonymous

  • 11 Answers

SOURCE: 2005 lincoln ls going into etc failsafe mode

I had to replace 4 different coils on my '02 LS before it finally stopped misfiring. After one code and coil replaced it would go to the next one. I had to replace them in this order, 2,3,7,8

When # 7 was misfiring it wouldn't even pull a code all of the time, the check engine light would come on one day then go off the next, really strange.

Posted on Aug 05, 2009

Anonymous

  • 86 Answers

SOURCE: 2003 Lincoln LS 3.0....past 3

try disconecting the battery for 5 mins see if it reeboots computer.

Posted on Aug 24, 2009

luis

  • 500 Answers

SOURCE: Hi, Seat Toledo 1996 occassionally cranks, fires,

check your air flow mass air flow sensor

Posted on Sep 11, 2009

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