i have a 1991 s-10, i have replaced the fuel pump but it still wont start.

flipper1994
0

Asked by flipper1994 Jul 12, 2014 at 06:43 PM about the Chevrolet S-10

Question type: Maintenance & Repair

It was spitting and sputtering bad. I changed the fuesl pump and fuel filter. Still wont start. Getting fire but wont pump gas correctly

5 Answers

jayg1201
10

pull the plugs and check them and see if they are wet........unhook the fuel line from the engine and then unhook the line from the front of the fuel filter and blow air thru it.......sounds like trash in the line

shawns2005vette
15

Some times there is more than one fuel filter

daddyday101
10

with out more info it could be severl thangs need to cheak fuel pressure and see if it is hold curect fel pressure fuel regulater may be bad

kyfriiied
55

Might be the fuel pump relay , the canisters the pump sits in .tbi., fuel injecters...an for the sputter....coil pack

shawns2005vette
15

Several things to check, You need to measure the fuel pressure during cranking. Possible faulty installation of the fuel pump, bad wire connector at the fuel sending unit or bad ground on the frame for the fuel pump.Check the MAF sensor first. Have seen this before, make sure it is not broken and if it is not, bring it to Advance Auto ( Or similar) and have them check it out. Could possibly be very dirty, like mine was.

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