Question about Citroen C5
I would like to know where the fuel injectors are located on my citroen c5
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Posted on Jan 02, 2017
SOURCE: fuel injector over fueling
all the injectors are supposed to constantly spray fuel when the car is runing,
but on the hard to start it might be a worn out fuel pump or
a leak on the fuel pressure regulator, unplug the vacium hose from the regulator and if there is any fuel at all then regulator is not good
Posted on May 29, 2008
Ok, I'm assuming it's a T.B.I. Make sure the key is OFF!! Remove the air cleaner assembly.Or disconnect the battery altogether to be safe.Open the gas cap. Use a 20mm on the main fuel line to the throttle body ( the biggest line,usually driver's side), just hold that though, don't torque on it. At the same time use a 19mm on the nut going into the fitting you're holding with the 20mm. Crack the nut loose, using the 20mm to keep the larger nut from turning out of the throttle body. Remember, "righty tighty,lefty loosey". Just crack it loose until gas flows, btw you do this step with the engine cold & a rag under what your doing. This releaves the pressure that may be in the line. I just watch my eyes, but you may want goggles or a clear mask,I got 17+ years experience,so use proper caution if this is the first time. Ok,the fun begins, on top of the injector's (should have 2) grip the top of the plug & squeeze the clips ( with fingers!!) & pull off the one you want to replace. Most have 2 Torx screws holding them in. You need to buy a set if you don't have them. They look like a "star" & if they have a *** in the middle of them, then you need a tamper proof Torx set. Remove the ones from said injector(s) & remove the aluminum hold down piece. There's a name for it but I'm keeping this simple. Grab the injector you want to change & twist it from side to side while using upward pulling force. All this should be done by hand, but if neccessary, use pliers,gently to help out. Once it's out reverse the procedure. Be sure to use new o-rings where applicable or available & lube them with a little tranny fluid , oil, but no grease or thick stuff! When you're done re-assembling everything,leave the air cleaner off. Close the gas cap, turn the key on,don't start it yet, & look for leaks. No leaks,good to go. Leave the air cleaner off & hood open still & start it up. Re- check for leaks. No leaks then shut it off, put the air cleaner back on & you're done!! Now, keep in mind this system usually has a primary & secondary injector,some have the same on both sides. So make sure that's the problem. In 17 years haven't seen very many bad injectors period. It's usually something else. Hope this helps. Be safe! This is a pressurized fuel system, it will or should spay when you crack that line loose. If it doesn't you have a fuel pump issue or it sat overnight,which is ok. If you have a muti-port injection system,... man that would be so much to type. In that case I would buy a repair guide. That would be the same procedure,but with alot more to do.Good luck!
Posted on Jun 18, 2009
youll need to get a slide hammer and either make or get hold of a hdi injector removal tool, as pri bars wont help when there stuck solid ive had this issue many times, hope this helps
Posted on Nov 30, 2009
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