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Spanner through car yellow light symbol on solid

I have a Vauxhall Corsa 1.2 16V 2001 hatchback. About 2 days ago the warning symbol car with spanner through it on the dashboard came on and has remained solidly on. I did a home diagnostics test with an Autel MS300 scanner and error code P0170 fuel trim malfunction (be no 1). The car is running fine no miss firing or loss of power. Any ideas to what this error could be, very srange.Many thanks, Tim Porter.

Posted by Anonymous on

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  • Cars & Trucks Master
  • 20,235 Answers

Not unusual to be one of those things. Cancel the code and if it returns, then is the time to investigate as it is not a serious fault.

Posted on Jul 27, 2017

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Posted on Jan 02, 2017

SOURCE: holden barina 2003

it means its due for service. If u wanna get rid of it without servicing the vehicle then as you start the car simultaneously push the ODOMETER reset button on the dash and it will wipe it. This will however just delay the point your car needs servicing.

Posted on Jun 28, 2008

  • 1 Answer

SOURCE: 1992 VW Polo 1.3L Coupe: warning light mystery

Polo Coupe 1043,1992, Will not start, can be bumped started, sometimes!!, theres a strange clicking noise from under the air box, when the ignition is on and sometimes the oil pressure light comes on when the car gets upto temperature, then I lose all power and then the engine cuts out. I've recently changed the dizzy cap, rotor arm and battery, all the leads are new ish along with the spark plugs. The previous owner has changed the head and done all that, leaving much of the engine loom unlagged and bare. Could this cause a problem on some of the electrical systems?

Posted on Oct 22, 2008

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SOURCE: mercedes C280 1996- What and where is a Mass or

This is difficult because the computer can't detect a problem, your car thinks everything is ok. In reality what is happening is the electrical component inside the MAF sensor becomes contaminated by the impurities in the air (heavies) These containments imbed themselves to electrical component that senses the air flow causing the sensor to be slightly off, but not enough to trigger the MIL (malfunction indicator lamp). Replace the MAF sensor with a new sensor and you're problem will go away, plus your car get better mileage and performance. (Mass Air Flow MAF sensor

Posted on Jul 14, 2009

  • 1796 Answers

SOURCE: I have a Mercedes s500

Hi!!
What all this codes have in common is that every single one of them can be caused by a vacuum leak, so carefully check for cracked, loose or disconnected vacuum hoses, wiring to the coils, fuel pressure regulator, fuel injectors, specially on cylinder 2.

  • PO100 - Possible causes are wiring harness failure, air leak or defective hot film MAF sensor
  • PO130 - Vacuum leak
  • PO170 - PO173 - Possible causes are air ingress (leak), fuel injector failure, pressure regulator failure or mechanical wear of engine. Inspect and repair as necessary.
  • PO300 - possible causes are vacuum leak, wiring harness failure or ignition coil defective.
  • PO302 - If limit value for misfire "harmful to TWC" is exceeded, the MIL flashes immediately. If too many combustion misfires occur in one cylinder, the cylinder is switched off (cylinder selective fuel shut off). After the affected cylinders are shut off, the MIL changes from flashing to continuously lit until next time the engine is started. If combustion misfires are recognized, the fault code P0460 or P0462 is set if fuel tank level is too low (fuel reserve indicator light is on). Combustion misfires due to a shortage of fuel are recognized by means of this additional information.

NOTE:After cylinder cut-out system is turned off, the system monitors (through misfire detection) if all intake and exhaust valves are open again.
NOTE:Misfiring may be caused by many faults in the fuel injection system. Usually a misfiring fault is stored with faults pertaining to other components. An engine mechanical fault could also cause a misfire condition.
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

Posted on Dec 03, 2010

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