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05-23-2019, 12:38 PM
Replies: 3
Views: 1,169
Posted By Brutal

clean the throttle body and check for vacuum...

clean the throttle body and check for vacuum leaks in the intake. things like imt valve orings, brake booster line and intake gaskets upper and lower are the big culprits. when the throttle gets...
07-17-2018, 02:10 AM
Replies: 67
Views: 29,604
Posted By Dell Gailey

Really good explanation of short and long term...

Really good explanation of short and long term fuel trims and their relationship to each other (where they should be normally, etc.)=
...
06-24-2018, 11:37 PM
Replies: 67
Views: 29,604
Posted By Dell Gailey

Yuphttps://cimg5.ibsrv.net/gimg/www.jaguarforums.c...

Yuphttps://cimg5.ibsrv.net/gimg/www.jaguarforums.com-vbulletin/1080x1920/screenshot_2018_06_24_22_34_41_d7a1458d33181541eac483326afd38beeae4a82a.jpg
06-24-2018, 01:30 PM
Replies: 6
Views: 534
Posted By dwclapp

Sounds like you worked it out. For the benefit of...

Sounds like you worked it out. For the benefit of others......

Jaguar, like most brands, makes the same car for US and Canada, built to North American Standards, aka NAS. Why? Canada's population...
06-23-2018, 09:56 AM
Replies: 67
Views: 29,604
Posted By dwclapp

Patterson: Glad you discovered the damaged intake...

Patterson: Glad you discovered the damaged intake gasket. That would explain the misfires & rough idle.

The ECM tries for an optimal 14.7 pounds air / 1 pound gasoline, by measuring air intake and...
06-20-2018, 02:11 AM
Replies: 67
Views: 29,604
Posted By dwclapp

Patterson: The shop that cleans your fuel...

Patterson: The shop that cleans your fuel injectors hopefully can provide a report of the flow rates before and after cleaning. Before cleaning, the flow rates will likely be inconsistent across...
06-03-2018, 10:17 PM
Replies: 67
Views: 29,604
Posted By dwclapp

Patterson: My pleasure. At idle the 'old'...

Patterson: My pleasure.

At idle the 'old' TPS had a voltage of 0.74V on the pink wire (which is on spec) and 0.02V on the yellow wire (well below 1.65V spec). After you installed the 'new' TPS,...
06-03-2018, 04:20 PM
Replies: 16
Views: 1,638
Posted By dwclapp

Dell / Patterson: You may be conflating two IAC...

Dell / Patterson: You may be conflating two IAC valves: INTAKE air control and IDLE air control.

INTAKE air control valves, aka Intake Manifold Tuning and IMT valves. Our X-Types have 2 in the...
06-03-2018, 06:07 AM
Replies: 67
Views: 29,604
Posted By dwclapp

Patterson: Those elongated holes in the TPS are...

Patterson: Those elongated holes in the TPS are to position it at the proper angle for correct output / signal voltage from the pink and yellow wires. With the ignition key in the run position and...
06-03-2018, 04:29 AM
Replies: 11
Views: 6,211
Posted By dwclapp

Patterson: Yes, the IMT O-rings can be checked...

Patterson: Yes, the IMT O-rings can be checked for vacuum leaks with starter fluid.

If the O-rings are yellow, they're the 2002 factory originals, which were undersized when new and by now are...
06-02-2018, 06:36 PM
Replies: 16
Views: 1,638
Posted By Dell Gailey

First post has description and pics ...

First post has description and pics

https://www.jaguarforums.com/forum/x-type-x400-14/finally-fixed-stuttering-problem-113287/
06-01-2018, 05:54 PM
Replies: 70
Views: 33,456
Posted By JagV8

You typically can't detect misfires which are bad...

You typically can't detect misfires which are bad enough to cause catalyst damage, but the car can.

Read the jag doc and you'll see many codes are 2-trip (as required by your laws).

Clearing...
05-20-2018, 08:45 AM
Replies: 70
Views: 33,456
Posted By dwclapp

Patterson: Rich conditions in both banks (P0172 -...

Patterson: Rich conditions in both banks (P0172 - bank 1, P0175 - bank 2) are less common than lean conditions (P0171 - bank 1, P0174 - bank 2). Why? Extra air can leak in many ways, particularly...
05-18-2018, 03:58 PM
Replies: 14
Views: 785
Posted By Dell Gailey

As a friend of mine said 40+ years ago. "If...

As a friend of mine said 40+ years ago.

"If cars were nothing more than transportation and you took away the desire for "things", (color, shape, sound, acceleration, etc.) we'd all drive...
05-14-2018, 03:21 AM
Replies: 70
Views: 33,456
Posted By dwclapp

Patterson: Yes, my daily driver is a 2002 X-Type...

Patterson: Yes, my daily driver is a 2002 X-Type Sport with ~142K miles, thanks in large part to suggestions and confidence gained from this forum.

"Prius lime bar"? LOL! It's a Lamborghini,...
05-09-2018, 11:10 PM
Replies: 70
Views: 33,456
Posted By dwclapp

Patterson: Glad to help. Last year an Amazon...

Patterson: Glad to help.

Last year an Amazon vendor charged me only $20 for an NGK 25607 downstream O2 sensor. I was lucky, I guess, because today it's $73 from the same vendor. Fully agree that...
05-08-2018, 06:54 PM
Replies: 70
Views: 33,456
Posted By dwclapp

Patterson: "Valve" vs. "cam" covers at first...

Patterson: "Valve" vs. "cam" covers at first confused me because the covers are over the cams, which are over the valves. Then I realized the intake valves are also visible thru those "scary holes"...
04-16-2018, 11:48 AM
Replies: 55
Views: 2,296
Posted By clyons

Standing in front of the car bank 1 is against...

Standing in front of the car bank 1 is against the fire wall with cylinders 1, 3 and 5 left to right. Bank 2 is closest to the radiator with cylinders 2, 4 and 6 left to right.

Firing order -...
04-16-2018, 01:52 AM
Replies: 55
Views: 2,296
Posted By Dell Gailey

213086

213086
04-15-2018, 07:12 PM
Replies: 55
Views: 2,296
Posted By Thermo

Patterson, bank 2 is near the radiator, bank 1...

Patterson, bank 2 is near the radiator, bank 1 is against the firewall. The #2 cylinder is behind the right hand side headlight with cylinders 4 in the middle and 6 nearest the battery. Then on...
04-02-2018, 04:43 PM
Replies: 55
Views: 2,296
Posted By Dell Gailey

So common explanation is misfires damage...

So common explanation is misfires damage catalytic converters, not the other way around. Extra fuel ignites in the cat and causes damage. Hence the warning "do NOT drive car with flashing MIL".
...
03-31-2018, 05:54 PM
Replies: 9
Views: 648
Posted By avern1

If you go to SNG Barratt's website you can...

If you go to SNG Barratt's website you can download there catalog for free for te X-Type. All OEM convertors will be bolt on. No welding, as shown in the excerpt from the SNG Barratt catalog.

You...
03-30-2018, 07:25 PM
Replies: 55
Views: 2,296
Posted By dh53

In Torque free version, hold the screen to get...

In Torque free version, hold the screen to get the Add Display option then add a display for "Drive cycle status since DTC clear widget". That will tell you which drive cycles are completed and...
03-30-2018, 04:56 PM
Replies: 55
Views: 2,296
Posted By JagV8

Clearing them also cleared the OBD monitors. You...

Clearing them also cleared the OBD monitors. You can hit Catch-22 where those won't set due to faults and it can't flag codes as they haven't set. (This is why you're not supposed to clear codes...
09-22-2017, 09:38 AM
Replies: 31
Views: 16,704
Posted By X-TypeMentality

https://cimg6.ibsrv.net/gimg/www.jaguarforums.com-...

https://cimg6.ibsrv.net/gimg/www.jaguarforums.com-vbulletin/2000x1342/80-dsc_0350_04b09ce2a9c742d07e0bd05aac2a62efb644dc62.jpg...
Showing results 1 to 25 of 107
 


 
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