Быстров Posted October 27, 2009 Report Share Posted October 27, 2009 i got my fuel pump installed today, (thanks pat) made sure the fuel injectors fire by hooking them up to the battery under pressure of the fuel rail to make sure they open and so all is good there,they were clogged a little but started shooting few seconds later, good pressure in the fuel rail, but once i hook up the fuel injectors to the main wires, they dont shoot fuel... what could this be? im guessing some sort of sensor? is this what bad cam sensor does? Link to comment Share on other sites More sharing options...
Быстров Posted October 27, 2009 Author Report Share Posted October 27, 2009 BTW this is a 95 volvo 854 Link to comment Share on other sites More sharing options...
z31jaime Posted October 27, 2009 Report Share Posted October 27, 2009 the fuel injector relay remember i was going to give u the extra one i had but the plug was bad and i threw it on the floor of my car. i think i have another. long story short, look under the plastic part where the radiator is. u will see the ac relays, the EGR tube thing and a 3rd relay with 4 wires going to to. (ill try to take pic in a little bit.) it will be on the driver side. that plug had crappy insulation and the wires don't make good contact causing the car to not have fuel. has happened to me 2 times and my uncle 3 times its common and i pull em every time i see a good one. check yours and see if the plug is no good. if so remember the position of them and break the plug and u can hard wire them on. also make sure the relay is clicking.....u will need so hold it in your hand and have someone turn the key...if you feel it pop....its probably working just try the wire. Link to comment Share on other sites More sharing options...
Black Betty Posted October 27, 2009 Report Share Posted October 27, 2009 Both the Cam and the crank sensor will keep the car from firing. Has this been an ongoing issue or did it start suddenly? Link to comment Share on other sites More sharing options...
z31jaime Posted October 27, 2009 Report Share Posted October 27, 2009 Both the Cam and the crank sensor will keep the car from firing. Has this been an ongoing issue or did it start suddenly? +1 also. my uncles cam sensor went out and the car wouldn't crank. i didn't know it didn't spit fuel as we knew what it was we didn't bother troubleshooting. just replaced it and fired right up. Link to comment Share on other sites More sharing options...
Быстров Posted October 27, 2009 Author Report Share Posted October 27, 2009 Both the Cam and the crank sensor will keep the car from firing. Has this been an ongoing issue or did it start suddenly? this is my first time trying to start it in past 4 months... it ran, now it dont ... Link to comment Share on other sites More sharing options...
z31jaime Posted October 27, 2009 Report Share Posted October 27, 2009 check that relay i said i know you have been doing body work and replacing that front end im gonna bet u moved it at some point and its not making a good contact. Link to comment Share on other sites More sharing options...
Jaxx Posted October 27, 2009 Report Share Posted October 27, 2009 how's the battery? it's cranking okay? edit: we know battery and crank are okay. Link to comment Share on other sites More sharing options...
Быстров Posted October 28, 2009 Author Report Share Posted October 28, 2009 ill check the relay... pat is sending me good FI and Cam senors tomorrow i hope this does the trick... Link to comment Share on other sites More sharing options...
Dmsee Posted October 28, 2009 Report Share Posted October 28, 2009 Fuel relay, thats what I would look at first. Had a similar problem a while ago. Link to comment Share on other sites More sharing options...
Getspooled Posted October 28, 2009 Report Share Posted October 28, 2009 If you hadn't started the car in 4 months your fuel may have separated causing water in your fuel tank/lines... try replacing the fuel filter, siphoning out the old gas and putting in new. Link to comment Share on other sites More sharing options...
Быстров Posted October 28, 2009 Author Report Share Posted October 28, 2009 Did all that man . dried out the tank and forced new fuel through the lines. Link to comment Share on other sites More sharing options...
Быстров Posted October 29, 2009 Author Report Share Posted October 29, 2009 Checked the fuel relay, everything seems intact. i could be wrong. got a new relay today. dont wanny go crazy replacing parts cause then it gets confusing... so what i did was istall the fuel rail with injectors and fired each injector with wires directly from the battery while the rail was under pressure. so guel was in the cylinders. go to crank it, no fire... i then kenw that there is no spark. so no fuel no spark... Cam sensor? Link to comment Share on other sites More sharing options...
Быстров Posted October 31, 2009 Author Report Share Posted October 31, 2009 GUYS PLEASE HELP ME DIAGNOSE THIS.... 1)i changed the cam sensor 2)i changed the fuel relay but i got no spark. the coil is not firing. so naturally i changed a coil. coil should jump a half inch from coil to wire if it has spark but i got NOTHING. what are the odds of 2 coils being bad? i took a digital volt meeter to the coil wire plug but i got no reading... so there must not be any power going to the coil.. what could cause this? Link to comment Share on other sites More sharing options...
Guest dougy Posted October 31, 2009 Report Share Posted October 31, 2009 GUYS PLEASE HELP ME DIAGNOSE THIS.... 1)i changed the cam sensor 2)i changed the fuel relay but i got no spark. the coil is not firing. so naturally i changed a coil. coil should jump a half inch from coil to wire if it has spark but i got NOTHING. what are the odds of 2 coils being bad? i took a digital volt meeter to the coil wire plug but i got no reading... so there must not be any power going to the coil.. what could cause this? got extra ECU you can plug in? Link to comment Share on other sites More sharing options...
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