JAGUAR FUEL INJECTOR SERVICE

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This page shows a photo of the bits and pieces of old fuel injection hose, removed from a V12 Jaguar, XJS, year 1988.  The engine had 103,000 mileage. Fuel injector hose (FI hose) had never been replaced.  The photo shows only the bits and pieces from removing only 6 FI hoses, and only from six injectors.  It does not show the bits of FI hose, from the other six injectors, nor bits and pieces, of FI hose, removed from the fuel rail.  The photo was taken August 23, 2006, from a set of injectors received for servicing.

While the photo is not of a great quality, I trust it will show, the degradation of the hose that occurs, from age and heat stress,  and the need to replace your FI hose.  

Removing hose from injectors, or the fuel rail,  is not rocket science.  However,  it does require patience, and skill, so as not to nick the barb. It also requires multiple cleanups of the work area to prevent internal contamination of the injector.

 New FI injector hose is soft and pliable.  Injector hose that is old and heat stressed is hard, cracks easily when bent, falls to pieces when cut off, and is the major factor, that contributes to V12 engine fires.  The hose will fail...leak fuel onto a hot engine, and get ignited by engine heat, or erratic plug wire arching. We can supply new FI hose for your DIY reinstall, or we can install new FI hose on your rail, after testing and ultrasonic cleaning of your injectors.

What is the potential damage and cost of leaking injector hoses?

A) If you are extremely fortunate, the fire started while you had the hood up, you were right there, and you had a fire extinguisher 10 feet away, and put the fire out within seconds.  Now you get to replace the injector hoses, maybe the wiring harness, maybe the plug wires, and spend a day or so recleaning your engine, plus recharge the extinguisher.  Cost?  $700-$1,000.

B) In a worse case scenario, you're on the road, an FI hose leaks, a fire starts, you pull over, get out, and watch helplessy as your entire vehicle is consumed, because you can't get the hood open, or you procrastinated in purchasing a fire extinguisher.  Cost ?  Total loss.

C)  Third case is something in between,  a partial or complete engine compartment fire.  Now you have all engine wiring harnesses, spark plugs, plug wiring, distributor, coils, FI hoses, injectors, AC compressor and hoses, vacuum hoses, radiator hoses, relays, switches, amplifier, resistor pack, the throttle capstain, multiple other engine components, hood and probably fender repainting, towing, and car rental, and on and on, and several months of down time.  Cost ?  $4,000-$6,000...and most likely several thousand more.

For approximately $483 plus shipping... to completely clean and test your injectors, replace the FI hoses, hose ferrules, injector collar bushings, and intake manifold seals (for a V12 Jaguar), and reassemble parts on your fuel rail,  isn't that a better option?

To paraphrase a line in a movie from a few years ago..."If I don't do IT now, IT will do me later".

If you elect to not have your injectors cleaned and tested,  we can supply the FI hose (12 each, cut to fit), the hose cups (hose ferrules, 24 each]...EAC7876, he rubber collar bushings and the lower intake manifold seals (12 each).  If you replace the FI hose and ferrules, it is VERY important to replace the injector intake manifold seals.  If you don't, you will most likely end up with a vacuum leak, between the injector and the manifold.  The result will be...pull it all apart and do it again...correctly.  We have all parts in stock.

You can CLICK HERE  to visit my homepage, for injector servicing details, pricing for parts and servicing, and links to other relevant information on your Jag.

                                                         www.jaguarfuelinjectorservice.com