Question about Jeep Wrangler

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I have a 1990 yj wrangler w/ 2.5l 5 speed .new atk amc 2.5 i4 tbi ok ran good but sluggish notised one day leak traced it to distributer .the mount one distributor was broken . so called advanced auto and when and check to make shore it was correct . it was. so now i put it in !! by the book !!! had to do it 2 and 3 times to get it to start. now it starts but wont run over 15/20mph so i thought fuel pressure so now ive replaced pressure regulator and the fuel filter ! it still dont wonta run right...now im buying a fuel pump!!!! my ? is will it run like this if i didnt get the timeing perfit.....

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  • Richard Scordino Mar 13, 2011

    Sounds like you still have the distributor in wrong. Fuel pump is around $200. likely cheaper to have a shop set the dist in the right way. Doubtful if the fuel system failed while you were changing the dist.

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  • 20 Answers

Check your coils, wires, and plugs etc. for fire when cranking.

Posted on Apr 16, 2017

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Posted on Jan 02, 2017

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SOURCE: 1998 Chevy tahoe Hard to start when cold

Hello, yes the check valve is in the fuel pump assembly. The check valve is leaking and the pump will burn out soon. Unfortunately the aftermarket fuel pumps can be very unreliable. A good portion of problems we see on this site are from people who replace the pump sometimes twice and it still doesn't work.

Posted on Jan 03, 2009

  • 74 Answers

SOURCE: 1998 Chevy tahoe Hard to start when cold

replace your MAP sensor(manifold absolute pressure) the map sensor is the computer for your fuel pressure regulator telling how much pressure. Unless your tahoe runs like **** going up hill than it inevitably your fuel pump

Posted on Feb 17, 2009

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SOURCE: 2003 OLDS ALERO WONT START

find the buzzing noise...likely its the fuel pump relay.

Posted on May 28, 2009

herbalgarden
  • 344 Answers

SOURCE: 95 2.5 jeep wrangler stalls consistantly and will

I had the same issue with my 4.0, I went through all the same BS you did and in the end it was a faulty fuel pump. Pricy i know but im sure thats your problem

Posted on Nov 15, 2009

  • 632 Answers

SOURCE: 1997 Jetta GT 2.0 Stopped running,cranks,will not start

Checking for spark is really simple while fuel delivery is more complicated because of the the way it is metered for delivery. On VW's a fuel pump relay is used and a jumper cable connected to relay box. This controls the fuel pump to deliver fuel manually. With a fuel pressure gauge connected to the line from the pump continued withing the system, you assess whether you have correct fuel pressure, maintain it within a specif duration. Electronic fuel injectors do stick or stay open causing very poor or no start condition. Make sure you have fuel delivery since you are positive that spark is present.

Posted on May 30, 2010

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These pages cover the transmissions used in Jeeps over the years. Transmissions are arranged by the most recently introduced transmissions first.
Factory Transmissions 45RFE: The 45RFE four speed automatic transmission was used in 1999 Jeep Grand Cherokees with 4.7L engines. 46RE: The 46RE four speed automatic transmission was used in 1998 Jeep Grand Cherokees with 5.9L engines.
44RE: The 44RE four speed automatic transmission was used in 1996 to 1998 Jeep Grand Cherokee's with 5.2L engines.
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46RH: The 46RH four speed automatic transmission was used in 1993 to 1995 Jeep Grand Cherokees with 5.2L engines.
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30RH: The 30RH three speed automatic transmission was used in 1992 to 1995 Wrangler & 1992 to 1996 Cherokee with 2.5L engine.
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