I have a 1991 ford ranger 2.9 I changed fuel flitter and fuel regulator I have 34 psi it will not start when it is cold unless u spray fuel in top of it then it will run has no power please help

Asked by Nov 20, 2014 at 03:46 PM about the 1991 Ford Ranger XLT Extended Cab 4WD SB

Question type: Maintenance & Repair

17 Answers

8,385

is it carbed or FI

70,305

Normal pressure for your truck,is 40 psi,fuel pressure may be low,and not opening the injector,s proper,check the fuel pump,

It is fi

8,385

like T_S_T said check fuel pump

Ok it also has a check engine light on and it back fires to

8,385

do you know the codes for the check engine light

I don't have anything to hock up to tell me the codes

8,385

do you live near an auto store like within walking distance

No it is about 45 min driving time I also bypassed the shut off switch in the floor that thought was it

8,385

is the green cap that is under the hood screwed in weel that is a fuel pressure for the fuel filter when yyou change it

On the fuel rail

1991 Ford ranger does not have OBDII to scan

1 of 1 people found this helpful.
70,305

Fordnut, is correct this is old school,you have to count the blinking engine light,like morse code to figure it out.

1 of 1 people found this helpful.
70,305

You can take a paper clip,cross the ten pin with the ground in the computer harness hook up,long flash is 10 and short flash is 1,s,,the ten all ways, come,s first.

1 of 1 people found this helpful.

Ok

Backfiring is often an ignition timing issue.

1 of 1 people found this helpful.
70,305

Fordnut ,is correct ,back firing is a timing issue,if truck was running and then started running bad all of sudden,you may need to check the timing.

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