need help on wifes xj. weird starting issues.
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
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From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
Cranks over fine.
But sometimes you have to crank on it a couple times to get it to start and when it finally does it seems like shes starving for gas for a second.
Did a tune up or at least the wife did.. plugs wires cap and roter.
Put a fuel pressure tester on it and it didnt get pressure till we started cranking like the fuel pump has a delay?
But sometimes you have to crank on it a couple times to get it to start and when it finally does it seems like shes starving for gas for a second.
Did a tune up or at least the wife did.. plugs wires cap and roter.
Put a fuel pressure tester on it and it didnt get pressure till we started cranking like the fuel pump has a delay?
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Joined: Aug 2011
Posts: 43,971
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Could be a bad fuel pump check valve. Try this:
Turn the key to On, then off, On the off. Then go to start and see what happens.
Your wife did the tune-up? Too cool.
Turn the key to On, then off, On the off. Then go to start and see what happens.
Your wife did the tune-up? Too cool.
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
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From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
Shes learning. Plugs didnt get gapped. And I received the funniest f**king call about 3 weeks after she did the tune up. She went shopping. Went to start her jeep. Called me in histarics saying she blew her jeep up and she didnt do anything. I drove over. She starts it... guess what didnt get tightened... one spark plug that backed itself out lmfao. I started laughing so hard I couldn't breath.
Made my day.
Ill update what it does.
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
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From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
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
Cranks over fine.
But sometimes you have to crank on it a couple times to get it to start and when it finally does it seems like shes starving for gas for a second.
Did a tune up or at least the wife did.. plugs wires cap and roter.
Put a fuel pressure tester on it and it didnt get pressure till we started cranking like the fuel pump has a delay?
But sometimes you have to crank on it a couple times to get it to start and when it finally does it seems like shes starving for gas for a second.
Did a tune up or at least the wife did.. plugs wires cap and roter.
Put a fuel pressure tester on it and it didnt get pressure till we started cranking like the fuel pump has a delay?
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
Likes: 0
From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
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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
Do you get current at plug to pump when keys first turned on ,it will only be for a couple of seconds if not could be sticking relay if yes most likely fuel pump getting ready to go .
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
Likes: 0
From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
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
Not on yours unplug pump ground test lamp and check gonna have to turn key on and off each time . Is like a buzzer gonna get power for about 5 seconds the ya gotta cycle key again. just turn key to run not start when testin. Whats a hot lamp ...lol...
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
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From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
K ill give it a try hopefully today.
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
Kinda though so another thing ya might look in to is sticking fuel pump relay could be the jiggling of motor trying to start activates it causing fuel pump to run if theres nno power from above test switch like relay would be a easy test ...good luck.
Thread Starter
Seasoned Member
Joined: Mar 2011
Posts: 328
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From: battleground wa
Year: 1996
Model: Cherokee
Engine: 4.0 ho
If there is no power where is the relay?


