Cannot start my 94 xj...

[fiq]

here are my xj specs:
all in standard condition..
one day, i just changed my battery..suddenly my engine get hard to start...got missfire too...i just change my distributor rotor, pulg n wire plug...why dis happen?n now it just crank n cannot start...help me..im new here...thanx to all..

[fredjacksonsan]

First thing I would check is to make sure your battery cable connections to the battery are tight, since it started after the change.

After that, check the DIY section, there are several threads on no-start fixes.

Also, the following info will help us help you:

How many miles? Auto or manual trans? Any symptoms like this before?

[MagicRat]

These Jeeps are notorious for crankshaft position sensor failures, which would cause a no-start as you describe.

It's common enough that some serious Jeep owners carry a spare

[fiq]

Originally Posted by fredjacksonsan

First thing I would check is to make sure your battery cable connections to the battery are tight, since it started after the change.

After that, check the DIY section, there are several threads on no-start fixes.

Also, the following info will help us help you:

How many miles? Auto or manual trans? Any symptoms like this before?

250k miles...manual trans...its never been like dis before...its really start after i change the battery..n fyi, before i buy a new battery, i just did my stupid idea like jump straight from other car to start my engine...without the battery..is it can cause any damage to the engine part?

[fiq]

is it anything bout my fuel pump?

[fredjacksonsan]

Jump starting the vehicle should not have caused any issues.

Since you said this started immediately after changing the battery, have you made sure the battery cables are properly tightened?

MagicRat is correct, the CPS can cause a no start condition. But since this started suddenly (it DID start suddenly, right? Have you been having start problems before the new battery?) I'd think it had something to do with the work that was just done.

[fiq]

Originally Posted by fredjacksonsan

Jump starting the vehicle should not have caused any issues.

Since you said this started immediately after changing the battery, have you made sure the battery cables are properly tightened?

MagicRat is correct, the CPS can cause a no start condition. But since this started suddenly (it DID start suddenly, right? Have you been having start problems before the new battery?) I'd think it had something to do with the work that was just done??.

yeah..the battery cable are tight enough...its never been like dis before..just after i change my battery...the last time i cant start just because of my old battery..n after got a new one battery, its become misserable..hard to start...got missfire...n just can idle in a few second then the engine shut off..n now its cannot start anymore..just crank till low battery..

i just check the CPS..maybe will take it off dis evening..its a big problem to get the jeep part in malaysia...

[fredjacksonsan]

OK understand the part -the CPS - is difficult to buy in Malaysia, but that could be the problem.

You can try disconnecting the battery cables, then holding them together for 15 seconds, sometimes that sort of reset can help.

[fiq]

thanx again..will try dis evening

[fiq]

how to i makesure dat dis problem is nothing bout my fuel pump?how to check my fuel pump cndition?

[fredjacksonsan]

Several threads here about testing fuel pressure. Sorry, but I have never done it.

[fiq]

where u came from fred?can u bought for me dat the CPS n ship to me?

[fredjacksonsan]

Yes, I can certainly send you a CPS, glad to help. They are approximately $90US at the dealer, and less expensive at a parts store.

Let me find out how much they are and I will post back.


edit: I live on the East Coast of the United States.

[fredjacksonsan]

There are 2 different parts for the 1994 XJ. If you send me your VIN (vehicle identification number) I can find out about the correct part.

[fiq]

Originally Posted by fredjacksonsan

There are 2 different parts for the 1994 XJ. If you send me your VIN (vehicle identification number) I can find out about the correct part.

i'll let u know tomorrow moning..thanx a lot!!!!