asd relay buzzing, new cps, still wont start
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Sorry for the delay!
Got the mopar sensor, plugged it in and it fired right up. The 1694 light came on again and I cleared it. Took it around the block a few times, and it ran great. Turned it off and tried to start it again and now its doing the same thing, no start.
Any other ideas? This is getting ridiculous. Thanks
Got the mopar sensor, plugged it in and it fired right up. The 1694 light came on again and I cleared it. Took it around the block a few times, and it ran great. Turned it off and tried to start it again and now its doing the same thing, no start.
Any other ideas? This is getting ridiculous. Thanks
Thread Starter
Junior Member
Joined: Jul 2012
Posts: 34
Likes: 0
From: Omaha nebraska
Year: 2000
Model: Cherokee
Engine: 4.0L
Ive gone through all of that, gauges still dont work even when i unplug the cps. Changed the cps twice, 2nd one being a mopar, and worked for a bit... till I shut it off and it wouldnt start again...
Could it be the pcm? Tcm?
Could it be the pcm? Tcm?
Thread Starter
Junior Member
Joined: Jul 2012
Posts: 34
Likes: 0
From: Omaha nebraska
Year: 2000
Model: Cherokee
Engine: 4.0L
Checked everything over again, looks fine. Tried a junkyard pcm and cps, still no go. Battery dead from trying to start it alot.
I think im going to let my mechanic neighbor get his hands on it at this point
I think im going to let my mechanic neighbor get his hands on it at this point
Member
Joined: Jul 2011
Posts: 185
Likes: 0
From: Hutchinson Ks
Year: 1997
Model: Cherokee
Engine: 4.0
Got to check 5 volt supply to sensors, any sensor that is a 5 volt and is shorted to ground internally will cause this not just crank sensor. Most sensors with 3 wires is a 5 volt sensor. Start unplugging one at a time till it cluster begins to work.
Thread Starter
Junior Member
Joined: Jul 2012
Posts: 34
Likes: 0
From: Omaha nebraska
Year: 2000
Model: Cherokee
Engine: 4.0L
So I swapped another asd relay as it seems the one I put in either didnt work, or was blown. That brought back the rapid clicking sound, and the fuel pump relay also slightly clicked. I swapped the fuel pump relay as well and all of a sudden my gauges started to work. Cranked it over and it fired right up! Ran rough for 10 minutes or so and then I took it around my neighborhood a few times. It ran great after that.
One thing I did notice at this point was the voltage would dip when I turned on the defrost. It would actually bottom out at 9v, then the check gauges light came on. Once I turned it off and revved it slightly the needle would bounce back up and run normal. Any thoughts on this? Thanks!
One thing I did notice at this point was the voltage would dip when I turned on the defrost. It would actually bottom out at 9v, then the check gauges light came on. Once I turned it off and revved it slightly the needle would bounce back up and run normal. Any thoughts on this? Thanks!
Thread Starter
Junior Member
Joined: Jul 2012
Posts: 34
Likes: 0
From: Omaha nebraska
Year: 2000
Model: Cherokee
Engine: 4.0L
When i bought it a year ago i would notice if I had the wipers, defrost, headlights, and rear defrost on(winter), the belt would squeal when accellerating from a stop.
Battery is 3 years old, duralast red... always seemed weak.
I re-did the terminals as they were competely corroded and brittle when I bought it so they are good.
Battery is 3 years old, duralast red... always seemed weak.
I re-did the terminals as they were competely corroded and brittle when I bought it so they are good.
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