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> Just about to give up, Any Ideas?
matteyp
post Jul 22 2011, 06:38 PM
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So Ive been having trouble with my car sputtering and backfiring and I just cannot figure it out. I have a 1.7 FI. When i rev the car under load it seems like it just has no power. Cars been timed correctly, went through everything and I still cannot figure it out. Hoses look ok, exhaust bolts seem to tighten but wont tighten completly. Not sure if this would cause all these problems or not. Could my injectors be clogged or fuel pressure be to low? Can someone go through a test procedure for this? I really don't want to have to spend another 3 or 4 hundred dollars on this if its just something simple. Thanks Guys

Matt
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KELTY360
post Jul 22 2011, 06:42 PM
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QUOTE(matteyp @ Jul 22 2011, 05:38 PM) *

So Ive been having trouble with my car sputtering and backfiring and I just cannot figure it out. I have a 1.7 FI. When i rev the car under load it seems like it just has no power. Cars been timed correctly, went through everything and I still cannot figure it out. Hoses look ok, exhaust bolts seem to tighten but wont tighten completly. Not sure if this would cause all these problems or not. Could my injectors be clogged or fuel pressure be to low? Can someone go through a test procedure for this? I really don't want to have to spend another 3 or 4 hundred dollars on this if its just something simple. Thanks Guys

Matt


Have you tested your injector flow by disconnecting one at a time and putting it in a plastic jar while turning the engine over? Do you have a pressure gauge to check fuel pressure? Are you sure your fuel lines are correctly hooked up?
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matteyp
post Jul 22 2011, 07:03 PM
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QUOTE(KELTY360 @ Jul 22 2011, 05:42 PM) *

QUOTE(matteyp @ Jul 22 2011, 05:38 PM) *

So Ive been having trouble with my car sputtering and backfiring and I just cannot figure it out. I have a 1.7 FI. When i rev the car under load it seems like it just has no power. Cars been timed correctly, went through everything and I still cannot figure it out. Hoses look ok, exhaust bolts seem to tighten but wont tighten completly. Not sure if this would cause all these problems or not. Could my injectors be clogged or fuel pressure be to low? Can someone go through a test procedure for this? I really don't want to have to spend another 3 or 4 hundred dollars on this if its just something simple. Thanks Guys

Matt


Have you tested your injector flow by disconnecting one at a time and putting it in a plastic jar while turning the engine over? Do you have a pressure gauge to check fuel pressure? Are you sure your fuel lines are correctly hooked up?



Im pretty sure all the lines are correct. I know if you have these fuel lines backwards or wrong the car will not run and ive gone through a couple gallons of gas already.
Can you explain what I would need to check the fuel pressure? WHere Do I discconect the line to hook up a fuel pressure gauge? What should the proper pressure be for the injectors?
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