My Jag 87 XJ6 no start
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Joined: Apr 2015
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From: Ventura
My Jag 87 XJ6 no start
I had the head gasket changed, drove my Jag 24 miles, it ran great, until it died. we replaced the dist. pick-up, spark plugs, fuel switch over valve and MAF, it will start now eventually but dies right away, it will not start again until it sits a while. Does anyone have any clues to what may be wrong ?
Joined: Dec 2011
Posts: 120,439
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From: Durham, UK
Welcome to the forum Bones,
I've moved your question from General Tech Help to XJ40 forum. Members here with the same model will be able to help.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some info about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
I've moved your question from General Tech Help to XJ40 forum. Members here with the same model will be able to help.
Please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some info about yourself and your vehicle for all members to see. In return you'll get a proper welcome and some useful advice about posting to the forum.
Graham
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Joined: Mar 2008
Posts: 25,529
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From: Pacific Northwest USA
I had the head gasket changed, drove my Jag 24 miles, it ran great, until it died. we replaced the dist. pick-up, spark plugs, fuel switch over valve and MAF, it will start now eventually but dies right away, it will not start again until it sits a while. Does anyone have any clues to what may be wrong ?
The 'could be' list is long.
First, on general principle.....
At the rear of the water rail there's a bundle of ground wires. Did they *all* get securely reattached after replacing the head gasket?
Next....
'Starts but dies right away' suggests that the fuel pump isn't staying running. Check connections at the relays on the firewall. If they look OK, hot wire the pump circuit so the pump runs constantly and see if anything changes. We can help if you don't know how to bypass the pump circuit.
Is the ducting from the air flow meter to the throttle body tight and intact?
Is the connector at the fuel injection coolant temp sensor undamaged and corrosion free?
Is there any evidence of gross over-fueling? Wet plugs, black smoke?
Post back !
Cheers
DD
Joined: Feb 2014
Posts: 20,514
Likes: 15,284
From: Crossroads of America
Bones,
Welcome to the Jaguar Forums! I'm sorry you're having trouble with your Series III XJ6.
I have moved your thread from the forum for the XJ40 to the forum for the XJ6 Series I, II & III cars. As Doug has mentioned, this is the correct forum for topics concerning your model.
Cheers,
Don
Welcome to the Jaguar Forums! I'm sorry you're having trouble with your Series III XJ6.
I have moved your thread from the forum for the XJ40 to the forum for the XJ6 Series I, II & III cars. As Doug has mentioned, this is the correct forum for topics concerning your model.
Cheers,
Don
Thread Starter
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Member
Joined: Apr 2015
Posts: 38
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From: Ventura
The 'could be' list is long.
First, on general principle.....
At the rear of the water rail there's a bundle of ground wires. Did they *all* get securely reattached after replacing the head gasket?
Next....
'Starts but dies right away' suggests that the fuel pump isn't staying running. Check connections at the relays on the firewall. If they look OK, hot wire the pump circuit so the pump runs constantly and see if anything changes. We can help if you don't know how to bypass the pump circuit.
Is the ducting from the air flow meter to the throttle body tight and intact?
Is the connector at the fuel injection coolant temp sensor undamaged and corrosion free?
Is there any evidence of gross over-fueling? Wet plugs, black smoke?
Post back !
Cheers
DD
First, on general principle.....
At the rear of the water rail there's a bundle of ground wires. Did they *all* get securely reattached after replacing the head gasket?
Next....
'Starts but dies right away' suggests that the fuel pump isn't staying running. Check connections at the relays on the firewall. If they look OK, hot wire the pump circuit so the pump runs constantly and see if anything changes. We can help if you don't know how to bypass the pump circuit.
Is the ducting from the air flow meter to the throttle body tight and intact?
Is the connector at the fuel injection coolant temp sensor undamaged and corrosion free?
Is there any evidence of gross over-fueling? Wet plugs, black smoke?
Post back !
Cheers
DD
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