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Forced Induction & Engine Management
Malfunctioning Fuel Pump
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<blockquote data-quote="GTIEVO3" data-source="post: 164602" data-attributes="member: 3482"><p>Logged in as: GTIEVO3 ( Log Out ) My Controls :: 0 New Messages :: View New Posts :: My Assistant </p><p></p><p></p><p></p><p></p><p>Advertisement</p><p></p><p></p><p></p><p></p><p>Home » Zerotohundred.com Forums » Cars » Forced Induction </p><p></p><p></p><p></p><p></p><p></p><p></p><p>Malfunctioning Fuel Pump, for Evo3</p><p>Attach New Poll ::Track this topic :: Email this topic :: Print this topic</p><p></p><p></p><p>GTIEVO3 Posted: Oct 27 2004, 12:07 </p><p></p><p></p><p>Advanced Member</p><p></p><p></p><p>Group: Members</p><p>Posts: 34</p><p>Member No.: 4007</p><p>Joined: 23-June 04</p><p></p><p></p><p></p><p>Was wondering how can u tell that your fuel pump is about to "kaput". How much does it cost for an Evo 3 fuel pump and where could i get it from? Another thing my car jerks at high rpm esp 6.5k and misfires quite often. Isit bcoz of spark plugs and cable or insufficient fuel? FYI im still using those items from the half cut...hope sifus in ZTH could help me out. Thanks in advance </p><p></p><p>evo3 Posted: Oct 27 2004, 12:12 </p><p></p><p></p><p>Advanced Member</p><p></p><p></p><p>Group: Members</p><p>Posts: 639</p><p>Member No.: 4231</p><p>Joined: 2-July 04</p><p></p><p></p><p></p><p>yalor....i also wan to know whether how can we tell the fuel pump gonna Kaput or not....</p><p></p><p>GTIEVO3: helo....i still have the same problem...i change the spark plugs, cables, fuel filter....problem still the same....</p><p></p><p>can ne one help me on this too, mine also will jerk during high rpm/when the turbo start to kick in..but the problem is there is no BACKFIRE....for example...i tekan, boost come...after a certain period of time, it jerk, BOV open, boost drop, the feeling is like there is not fuel coming in to the combustion chamber.... </p><p></p><p></p><p></p><p></p><p>____________________</p><p></p><p></p><p>TrUst G()d but D()n't F()RgEt Ur UmBReLLa </p><p></p><p>zoey Posted: Oct 27 2004, 12:45 </p><p></p><p></p><p>Member</p><p></p><p></p><p>Group: Members</p><p>Posts: 18</p><p>Member No.: 6304</p><p>Joined: 13-October 04</p><p></p><p></p><p></p><p>u can put a small gauge near the fuel filter or use the fuel regulator gauge to check if the pressure is weak. the best alternative is to have a external backup fuel pump or even run parrallel with a switch control.</p><p></p><p>abt the jerking thing, based on personal experience its running on lean. probably the rest can share some stories. </p><p></p><p>GTIEVO3 Posted: Oct 27 2004, 13:13 </p><p></p><p></p><p>Advanced Member</p><p></p><p></p><p>Group: Members</p><p>Posts: 34</p><p>Member No.: 4007</p><p>Joined: 23-June 04</p><p></p><p></p><p></p><p>QUOTE (evo3 @ Oct 27 2004, 12:12 ) </p><p></p><p>GTIEVO3: helo....i still have the same problem...i change the spark plugs, cables, fuel filter....problem still the same....</p><p></p><p></p><p></p><p></p><p>Hello there eVo3, problem still persists after u changed all that? i tot of changing the plugs and cables first. Btw isit true that misfires means that you engine is running rich? </p><p></p><p>evo3 Posted: Oct 27 2004, 13:37 </p><p></p><p></p><p>Advanced Member</p><p></p><p></p><p>Group: Members</p><p>Posts: 639</p><p>Member No.: 4231</p><p>Joined: 2-July 04</p><p></p><p></p><p></p><p>yup..that wat my friend say cos the unburn fuel will cause the backfire..... </p><p></p><p></p><p>____________________</p><p></p><p></p><p>TrUst G()d but D()n't F()RgEt Ur UmBReLLa </p><p></p><p>cypress8, </p><p></p><p>so u mean that if the head of the spark plug is whitish the engine is running to lean?</p></blockquote><p></p>
[QUOTE="GTIEVO3, post: 164602, member: 3482"] Logged in as: GTIEVO3 ( Log Out ) My Controls :: 0 New Messages :: View New Posts :: My Assistant Advertisement Home » Zerotohundred.com Forums » Cars » Forced Induction Malfunctioning Fuel Pump, for Evo3 Attach New Poll ::Track this topic :: Email this topic :: Print this topic GTIEVO3 Posted: Oct 27 2004, 12:07 Advanced Member Group: Members Posts: 34 Member No.: 4007 Joined: 23-June 04 Was wondering how can u tell that your fuel pump is about to "kaput". How much does it cost for an Evo 3 fuel pump and where could i get it from? Another thing my car jerks at high rpm esp 6.5k and misfires quite often. Isit bcoz of spark plugs and cable or insufficient fuel? FYI im still using those items from the half cut...hope sifus in ZTH could help me out. Thanks in advance evo3 Posted: Oct 27 2004, 12:12 Advanced Member Group: Members Posts: 639 Member No.: 4231 Joined: 2-July 04 yalor....i also wan to know whether how can we tell the fuel pump gonna Kaput or not.... GTIEVO3: helo....i still have the same problem...i change the spark plugs, cables, fuel filter....problem still the same.... can ne one help me on this too, mine also will jerk during high rpm/when the turbo start to kick in..but the problem is there is no BACKFIRE....for example...i tekan, boost come...after a certain period of time, it jerk, BOV open, boost drop, the feeling is like there is not fuel coming in to the combustion chamber.... ____________________ TrUst G()d but D()n't F()RgEt Ur UmBReLLa zoey Posted: Oct 27 2004, 12:45 Member Group: Members Posts: 18 Member No.: 6304 Joined: 13-October 04 u can put a small gauge near the fuel filter or use the fuel regulator gauge to check if the pressure is weak. the best alternative is to have a external backup fuel pump or even run parrallel with a switch control. abt the jerking thing, based on personal experience its running on lean. probably the rest can share some stories. GTIEVO3 Posted: Oct 27 2004, 13:13 Advanced Member Group: Members Posts: 34 Member No.: 4007 Joined: 23-June 04 QUOTE (evo3 @ Oct 27 2004, 12:12 ) GTIEVO3: helo....i still have the same problem...i change the spark plugs, cables, fuel filter....problem still the same.... Hello there eVo3, problem still persists after u changed all that? i tot of changing the plugs and cables first. Btw isit true that misfires means that you engine is running rich? evo3 Posted: Oct 27 2004, 13:37 Advanced Member Group: Members Posts: 639 Member No.: 4231 Joined: 2-July 04 yup..that wat my friend say cos the unburn fuel will cause the backfire..... ____________________ TrUst G()d but D()n't F()RgEt Ur UmBReLLa cypress8, so u mean that if the head of the spark plug is whitish the engine is running to lean? [/QUOTE]
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