Question about 1991 Volkswagen Jetta

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How to reset the ECM on my Jetta Mk2 cli 16 valve 1991 model

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6ya6ya
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Hi there,
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Posted on Jan 02, 2017

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ZJLimited
  • 17970 Answers

SOURCE: what does the codes 0627-0681-0680-0688 on 2006 chrysler sebring 2.4 16 valve 4 cly

Hi there:

DTC P0627 CHRYSLER - Fuel Pump Relay Control Circuit
ECM (Engine Control Module) detected an open or short in the fuel pump relay circuit
Possible causes
- Fuel pump circuit open or short
- Fuel pump circuit poor electrical connection
- Faulty fuel pump relay
- Faulty fuel pump control module (if applicable)


DTC P0680 - Cylinder 10 Glow Plug Circ, and,

DTC P0681 - Cylinder 11 Glow Plug Circ
The Engine Control Module (ECM) has detected a fault in the cylinder #10 or #11 glow plug circuit.


Possible causes
- Cylinder #10, or #11 glow plug circuit is open or shorted
- Faulty cylinder #10 or #11 glow plug
- Faulty glow plug module Help with this


DTC P0688 CHRYSLER - Auto Shutdown Relay Control Circuit Low

The Front Control Module (FCM) has detected the supply voltage below an acceptable value.

Possible causes
- ASD relay circuit is open or shorted
- Failed Auto Shutdown relay
- Failed ECM


Check all the ECM fuses, if the fuses are OK try replacing the ASD relay.

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Thank you for using FixYa, have a nice day.

Posted on Jul 03, 2012

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SOURCE: Fueling problem on mk2 jetta cli

If your having trouble getting the fuel to go in,
it most like is the EVAP System & something
like a failed vent solenoid valve

You should have codes stored pointing in that
direction

Posted on Sep 10, 2012

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Thanks for your question @ FixYa.com

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