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92 4.0 moter spins no catch

Old 08-30-2009, 07:18 AM
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Default 92 4.0 moter spins no catch

I went out this morning for a fire call,tryd to start my jeep and nothing the moter turns over but wont catch or fire. the fuel pump comes on so Im getting fuel but nothing oh and the truck smells like starting fluid when I got in this am,I dont use starting fliud. Help please Im trying to get the lift finished
Old 08-30-2009, 07:44 AM
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Try checking the CPS usually unplugging and replugging it back up with get ya going.

There is a pick on this link even though yours is not Renix basic CPS properties apply for all of the XJ's

http://www.lunghd.com/Tech_Articles/...iagnostics.htm
Old 08-30-2009, 07:54 AM
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Ok Im game someone told me pull my distributer I coulda sheard a pin on but Im not one to pullin that but cps sound easy enough any other ideas if this dont work
Old 08-30-2009, 08:07 AM
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I would wait on the distributor as they are not nearly as common as a bad cps.
Old 08-30-2009, 09:13 AM
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Ok I have no spark to moter have power to coil but no spark
Old 08-30-2009, 09:29 AM
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Have you tested your cps?
Old 08-30-2009, 09:30 AM
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replaced cps on my 1996 Jeep Cherokee for no start problem help problem. unplug and reconnected cps Jeep started with old cps.

Last edited by McRay; 08-30-2009 at 09:40 AM.
Old 08-30-2009, 09:46 AM
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Cannot find cps on my cherokee lookd in all spots on the trans and nothing going to look again
Old 08-30-2009, 09:48 AM
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The connector is at the back of the Valve cover on the driver's side.

The link i gave you had a picture of it route.
Old 08-30-2009, 10:52 AM
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yeah I found it on the a4 the connecter in on top of the bell houseing and its a pain I pulled it replaced it and still no spark
Old 08-30-2009, 11:03 AM
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Why would it smell like starting fluid. Are you the only person that has access to this Jeep.

CPS connector is usually the problem I wouldn't have replace the CPS until checking the connector first.

The next thing after CPS would be the Distributor. But can get expensive throwing parts at it.
Old 08-30-2009, 11:05 AM
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Did you replace the sensor or just unplug it and plug it back in?
Old 08-30-2009, 11:56 AM
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went to levin got a new one and nothing so went and got a coil now I gotta put that in
Old 08-30-2009, 01:55 PM
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ok update what I replaced was not the cps I replaced a trans sensor of sorts not sure wich one so Im confused all I know is cps sensor is like 100 bucks
Old 08-30-2009, 01:58 PM
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Just unplug it and plug it back in.

No need to replace it the connector is known for getting degraded over time.

The top left pic shows the connector side of it.
Attached Thumbnails 92 4.0 moter spins no catch-all-cps-88-4.0l.jpg  

Last edited by XJ Stryker; 08-30-2009 at 02:01 PM.

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