Question about 1992 Buick Century
Hi there, well if you have a bad fuel injector the easiest way to check is if you have a misfire code come up then pull the spark plug out and with the wire connected to the spark plug, place the plug on metal on the motor and turn the motor over( make sure your wearing gloves when you do this, i wouldnt want you to get shocked) and if the spark plugs are firing then you narrowed it down to a fuel problem. next you can take an ohm meter or light tester and backprobe the pigtail while they are still conected to the injectors to make sure they have power and if they do you really narrowed it down to the injector being faulty or cloged
Posted on Aug 27, 2008
SOURCE: Fuel injectors leak at fuel rail
Get some new O-rings, and this time put oil on them before you insert them into the fuel rail. The regulator is alright.The problem is that the o-rings can roll up, or twist when push em in dry. Had this problem once, easy fix, but was frustrating.
Posted on Mar 30, 2009
douple ck all the ground wiresto engine,trans bell housing ,battery or frame/firewall look for any that may have separated from any pack of wires or broken off eyelets then thightnen all points,,.these grounds are very important to comp/injection controls and can cause a multi code problem like yours.
Posted on May 07, 2009
Bad injectors cannot make plugs bad.
Plugs are cheap compared to injectors.
I've replaced my own plugs, so I cen't tell you the labor to replace them.
If something needs to be fixed you can bet they will charge whatever they can!
Posted on Jan 11, 2010
SOURCE: 1994 toyota pickup with 22re
During cold engine starting, the cold start injector is used to supply additional fuel to the intake manifold to aid in initial start-up. The opening and closing of the injector is determined by the start injector time switch. When the engine coolant temperature falls below a certain point, the switch opens the cold start injector. As the engine coolant warms up, the switch will close the injector.
Your problem sounds like fuel delivery problem, let's start bychecking the following fuses
M-fuse (AM2 30A)
Fuses (EFI 15A, IGN 7.5A)
EFI main relay
Next step is replacing the fuel filter and checking fuel pump pressure.
Good look!! Keep me posted!!
Posted on Aug 24, 2010
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