Question about 2002 Jaguar S-Type
Failsafe engine mode showing
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Posted on Jan 02, 2017
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.
Posted on Mar 20, 2009
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
SOURCE: 2000 S TYPE Jaguar
This happens when the communication between the computers of the car systems fails:the connection is lost for a moment , which sends the engine and transmission in Failsafe mode; if you turn off the contact the computers reset and when you start it again they test the status of the connection before reengaging - they detects that the connection is fine and resume normal functioning.In the case of my Citroen it was between the engine and transmission computers - a cable connector has been damaged by a rock.
The only way to locate the origin of this problem is to check and reseat every single connector on the wiring loom.
Posted on Nov 21, 2010
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Jun 28, 2017 | Cars & Trucks
Mar 18, 2014 | Cars & Trucks
Hello and welcome to JA!!!
I'm Billy and i will assist you with this.
The codes you have (the ones not interpreted) mean the following:
p1351: glow relay circuit faulty, p1586: power supply to rail sensor, air mass meter, EGR valve: voltage too low.
These problems are the ones causing the no start issue...........
I will first list the fault details:
And now, the most probable reason for your problem, would be faulty wiring.
So i suggest that you check the wiring harness thoroughly, and the fuse boxes (connectors, fuses etc.....)
As these are the most probable culprits.
It could be a faulty ECU (engine control unit), however, i think that faulty wiring is the most likely cause.......
on further diagnostics the engine start permission is off does this point to anything
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