Question about 2002 Jeep Liberty

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Asd fuse blowing when engine rpm increases - 2002 Jeep Liberty

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Posted on Jan 02, 2017

  • 20 Answers

SOURCE: 98 grand cherokee asd relay blowing fuse

The fuse it doing it's job, you have a short ( Wire that is connected to a ground, that draws too much power )

If you have an electrical schematic ( Repair manual ) find out which wires are connected to that fuse and check them for any chaffing, cuts, unnesassary twists, or corrosion.

If you have a ohm-meter, isolate the system ( by disconnecting the fuse, and other connections. Then check for any resistance on wires that should not be connected ( because you disconnected them ) by having one Lead on the wire's connector and the other meter-lead on your car's frame. A good wire will not have continuity if it is isolated.

Posted on Apr 10, 2010

cansmo
  • 2431 Answers

SOURCE: my 2002 jeeep cherokee 2.7

For the ASD fuse to go out the short will be a wire wick problem, The ASD fuse and the nearest ground is the Oxygen heater ground, it in the wire harness and its touching .I am telling you this because obviously you ll have to get it repaired and I want you to know were the problem will reside at,so this way when you go to a shop your armed and they will know that you know your stuff. And your repair will be a sucess

Posted on Apr 27, 2011

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1 Answer

The 25 amp ASD fuse keeps blowing when i try to start myTown & ountry 2001


In that case you have a dead short somewhere. This suggests replacing the ASD relay, and there is a neat trick using a bulb instead of a fuse to track the problem.

https://www.2carpros.com/questions/2001-dodge-caravan-asd-fuse

And 'Chrysler Tech' here has good advice as to what is causing it.
http://www.chryslerforum.com/forum/chrysler-pacifica-15/asd-fuse-blowing-right-away-help-23819/

25 amp ASD fuse Google Search

Jan 25, 2017 | Cars & Trucks

1 Answer

2004 pt cruiser keeps blowing fuel pump fuse,replaced fuel pump, no change.runs rough at idle and stalls,blows fp fuse,also replaced ign.coil,plug wires and plugs also changed relays


There are two fuses for the fuel pump relay. One fuse is load side of relay, that fuse also sends voltage to load side of asd relay, the asd relay sends voltage to several systems, two of which are the fuel injectors and ignition coil. I'm not telling you to replace, anything, but, you need to do some testing.
The other fuse goes to control side of relay, smaller amp fuse. I don't know the amp rating of the fuse that keeps blowing.
See that fuse, it supplies voltage to load side of fuel pump relay and also to asd relay.
26322929-c15bjyrfwzlf33vqjpu1ik1c-2-0.jpg

Oct 22, 2016 | 2004 Chrysler PT Cruiser

1 Answer

Why asd fuse keeps blown


You have a Chrysler , dodge , or Plymouth ? ASD Fuse supplies power to ASD relay ,if you have a Dodge , Chrysler or Plymouth vehicle . You have a short to ground , videos on you tube , how to find a electrical short ! ASD - auto shut down , this powers Ignition system , fuel injectors , O2 sensors . A short in any one of these systems will blow the fuse . O2 sensor wires get melted on exhaust pipes an manifolds ! That is if you have one of these make vehicles !

Sep 28, 2016 | Cars & Trucks

1 Answer

Starting issues with a chrysler pacifica


New Engine. Check to see if some one didn't pinch wires between the engine and transmission. Have codes read.

Feb 20, 2015 | 2004 Chrysler Pacifica

1 Answer

Ask where is asd fuse located on 90 jeep cherkoee


old post and is key question on old jeeps
no engine stated. guess 4L
the ASD began 1990 to present.
the ANSWER IS BELOW.
the car did not have and ASD until your car was 100% Chrysler EFI. The goofy French EFI has none .
ASD and the 3 second rules and 6 to 8 failure classes to trip it.
none. some jeeps changed in 1993,


  • 1986 - Renix TBI available on Jeep 2.5 L four-cylinder engines.
  • 1987 - the new Renix controlled 4.0 L six-cylinder engine was rated at 173 hp (129 kW; 175 PS) and 220 lb·ft (298 N·m) of torque.
  • 1988 - 4.0 L output increased to 177 hp (132 kW; 179 PS) and 224 lb·ft (304 N·m) of torque, due to higher compression ratio. Renix still TBI
  • 1989 - Changed to Renix MPFI. (4 injectors now)
  • 1991 - Chrysler Corporation (then the owners of the Jeep brand replaced the Renix control system with OBD-I-compliant control electronics, the Chrysler HO EFI) with check engine light.(and flash codes)

Jul 02, 2014 | 1990 Jeep Cherokee Limited

2 Answers

How to repair engine wiring harness; asd fuse blows asap everytime


Google this asd problem, there is a lot of information on this problem. I would look for a short but would not want to remove the complete harness.. If you do this take pictures of the harness and all connections before you start.

May 18, 2014 | 2004 Chrysler Pacifica

1 Answer

I have a 1997 Audi A4 ( 1.6 gasoline enigne). My fuel fuse keeps blowing after having driven anything between 3-7 kilometers. If I remember to reduse my RPM (to and idle throttle RPM) by applying the...


check to ensure that the fuse you are using is adequate for the current draw of the fuel pump. Place an ammeter in the power line to the fuel pump and read the amps drawn then rev it up and see if the current increases. Check the alternator for correct charge rate .

Aug 15, 2013 | 1997 Audi A4

1 Answer

My 2002 jeeep cherokee 2.7 crd auto keeps blowing asd fuse and fuel cut off fuse happens while driving and engine will not crank afterwards


For the ASD fuse to go out the short will be a wire wick problem, The ASD fuse and the nearest ground is the Oxygen heater ground, it in the wire harness and its touching .I am telling you this because obviously you ll have to get it repaired and I want you to know were the problem will reside at,so this way when you go to a shop your armed and they will know that you know your stuff. And your repair will be a sucess

Apr 27, 2011 | Jeep Cherokee Cars & Trucks

1 Answer

'engine' fuse blows continuously


Sorry to say it, but take it to a shop. There's a serious chance that there's a problem with either the power To the ECM, or with the ECM, itself. A fallacy with diagnostics is that the "brain" never faults. I've replaced way too many in my day to believe this. Best of luck! You have a great vehicle, it just needs a little love ;)

May 22, 2010 | 2000 Dodge Grand Caravan

1 Answer

98 grand cherokee asd relay blowing fuse


The fuse it doing it's job, you have a short ( Wire that is connected to a ground, that draws too much power )

If you have an electrical schematic ( Repair manual ) find out which wires are connected to that fuse and check them for any chaffing, cuts, unnesassary twists, or corrosion.

If you have a ohm-meter, isolate the system ( by disconnecting the fuse, and other connections. Then check for any resistance on wires that should not be connected ( because you disconnected them ) by having one Lead on the wire's connector and the other meter-lead on your car's frame. A good wire will not have continuity if it is isolated.

Apr 10, 2010 | 1998 Jeep Grand Cherokee

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