Question about 1997 Jeep Wrangler

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1997 jeep wrangler has a long start. I have changed the fuel pump, camshaft sensor. any other suggestions

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There is a head temp sensor and intake air temp sensor, either of which could make the mixture too lean. Check them with an ohmmeter. Not sure the exact reading, but bad ones usually go 0 or infinite.

Posted on Apr 08, 2011

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Posted on Jan 02, 2017

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1994 jeep wrangler 4.0 starts and runs fine i park it (at work,home etc..)go to start no good engine turns over, changed ignition parts coil,cap wires it started in driveway a few times drove around...


You need to find out what is missing at the time that it is not starting. You are either not getting ignition (spark) or not getting fuel.

A real common problem for Jeep 4.0L engines is bad crankshaft position sensors and bad connections at the crankshaft position sensor connectors. When these mess up, you will have a "No Spark" condition. I would check the connector and make sure it is clean and tight before running out and spending money on buying a new crank sensor - especially if this Jeep has been operated in mud and/or water.

The only other suggestion I have is to check the fuel pressure when it is not starting. You could have a fuel pump or a fuel pump relay that works only when it wants to.

Sep 03, 2011 | 1988 Jeep Wrangler

1 Answer

Will a faulty camshaft position sensor cut power to the fuel pump on a 1998 jeep wrangler?


If the computer does not see a signal from the crank sensor and the cam sensor it will not turn the asd relay on.
Best to test before buying either as other problems may exist. Chlton or haynes manuals are helpful and not expensive..

Jan 31, 2011 | 1998 Jeep Wrangler

1 Answer

I need to replace the cam sensor on my 97 jeep wrangler were do i find it in the motor..


For 1997 Jeep Wrangler 4WD 4.0L MFI 6cyl the Camshaft Position Sensor is located: Under hood, passenger side, front engine area, mounted on front of intake manifold

Hope helps (remember to rate this).

Oct 12, 2010 | 1997 Jeep Wrangler

1 Answer

Crank, no start 98 wrangler 2.5l


crank sensor likely-may be distributor sensor but my 98 sport was crank sensor situated in bell housing timed by flywheel

Sep 15, 2009 | 1997 Jeep Wrangler

1 Answer

1997 2.5L CRANK NO START


clog in your fuel line or you need to change your fuel filter.

Jul 09, 2009 | 1997 Jeep Wrangler

1 Answer

2000 jeep wrangler just shut off changed fuel pump


check foe fuel pump presure at fuel rail,,,if u have fuel pump presure check all fuses with a test light not buy sight,,could be deceviving ,look at and check to see if fuel pump relay is working if no fuel presure i,if u have presure in fuel rail ,replace the cranck shaft sensor

Jul 03, 2009 | 2000 Jeep Wrangler

3 Answers

1998 jeep wrangler starting problems


There are several things you can do if you haven't done so already, Check voltage at ignition coil, as soon as the engine starts to turn over there should be voltage. If not, the crank sensor is not triggering the ECM quickly.... on 98-99 wranglers, this was a problem area. Check terminal connectors at the ECM, clean and secure, another area of concern.The module on the side of the throttle body is the air idle control 'motor' as jeep calls it. Over time they tend to carbon up and it results in bad air/fuel mixture and yet fails to send a fault code, you can remove & clean also the O2 sensor in front of the cat. convertor.remove & clean. Check fuel pressure, you should have some residual PSI. Treat fuel system with a good treatment...I like the Lucas products, their fuel system treatment and injector cleaner burns hot & clean.
I hope these suggestions help...and the wrangler returns to top form...good luck.

May 14, 2009 | 1998 Jeep Wrangler

1 Answer

1988 Jeep Wrangler wont start. I dont have any spark? I recently replaced the gas tank and may have possibly ran the fuel pump out of gas. But I can hear the fuel pump running it just seems to be making...


Try your camshaft possition sensor. If it is the same as my problem I just had to replace that and it started right up. Oh and mine was built into the distributer assembly. Take off cap and pin it's the plastic thing at the bottom. Should just pop out and you have to go to the dealer to get the part. Hopefully this helps!

Jul 30, 2008 | 1991 Jeep Wrangler

1 Answer

My 1997 jeep cherokee


it sounds to me like you fuel pump is on its way out

Jul 01, 2008 | 1997 Jeep Cherokee

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