20 Most Recent 1991 Jaguar XJS Questions & Answers

first check for a spark thats more than likely ok. the most poss cause is the fuel pump. on the the fuel rail there is a pressure test point like a tire valve. connect a pressure test gauge and crank the engine you should get about 28 -36 psi if not the pump is more than likely stuck, try giving the fuel tank bang with your fist with someone cranking the engine remove spare wheel and trim board for access most likely the moisture in the remaining fuel has corroded the pump, good luck

open glove box, read the users guide if lost it is free from JAG dealer. it cover all that. and yes all cars on earth , the battery can be changed with no damage done. for sure,100% but you need to read the manual first. and remove NEG LUG first first off , last on. cars with rear batteries have special rules for JUMPS do not fail to read the manual or damage will happen. cars with rear battery have a way to open trunk with battery dead, (all do) some are behind rear seat access others a cable latch lever to trunk lock. SOME HAVE HOOD UP , JUMPER POLES best is ask here, the manuals are hens teeth now. users. or buy one on line from scalpers. https://www.jaguarforum.com/search/47893/?q=XJS+BATTERY+DEAD+HELP&o=relevance

As you know, this is not an inexpensive car..PLEASE take this to a Qualified Professional..it will be $$$$$.. make sure they guarantee/warranty their work and for how long..(HE IS WORTH IT!!)

What a message?

https://www.google.com/search?q=Need+to+no+where+mass+air+sensor+located+on+a+2002+cavalier+2.2+motor&biw=1363&bih=650&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwidypiQ58LQAhXJ7iYKHevTAvsQsAQIHQ#tbm=isch&q=Where+a+tranmission+modulator+go+on+a+1985+jaguar+xjs+General+motors Hope this helps

Check the fuel filter(s). Your long drive may have shaken dirt or old fuel gunk ("varnish") loose and plugged the filter most of the way. Enough fuel gets by to start the engine, but then it starves when you put it under load.