using lots of gas

sheepdizildawg · Post by **sheepdizildawg** » Sat Feb 14, 2009 10:55 pm

well since i rebuilt me engine, i have been going through gas like crazy. getting like 17 miles per gallon. i dont know what is going on, anyone have an idea?

buddha102 · Post by **buddha102** » Sat Feb 14, 2009 11:46 pm

check engine light?

daewoomofo · Post by **daewoomofo** » Sun Feb 15, 2009 12:44 am

make sure it has good plugs wires and filters. should help some.

sheepdizildawg · Post by **sheepdizildawg** » Sun Feb 15, 2009 9:28 am

yes light is on. going to get it scanned tomorrow. was out driving around tonight and all of a sudden my idle went up to 2500 and wont go lower then that. any ideas? was running like a dream yesterday. got her up to 110 mph on the highway.

Daniel · Post by **Daniel** » Sun Feb 15, 2009 9:36 am

Check also:

Fuel leak.
Coolant level.
Thermostat stuck open: low temp reading on dashboard, poor habitacle heating.
Air Intake temperature sensor resistance value.
Coolant temperature sensor "n" (the one's for ECU with dual wires) resistance value.

buddha102 · Post by **buddha102** » Sun Feb 15, 2009 2:50 pm

yea check that "check engine" light, and tell us wuts up?

sheepdizildawg · Post by **sheepdizildawg** » Mon Feb 16, 2009 12:34 am

well my brake lights are stupid and keep coming on alone by themselves at night, starting to piss me off, drained my battery last night, so check engine light is no longer on. i dont know whats up with that. anyone know how to fix a brake pedal? lol

daewoomofo · Post by **daewoomofo** » Mon Feb 16, 2009 1:38 am

you prolly need to adjust your brake light switch, or replace it.

sheepdizildawg · Post by **sheepdizildawg** » Fri Jun 12, 2009 7:11 am

fixed the brake pedal, the check engine light is for misfire in cylinder one and no pre cat detected. i fixed that one today with a little mod. and now the check engine light isn't on, but when i drive it blinks. i am guessing it is still the misfire because it is only when the engine is actually moving the car that it comes on, i will get it scanned tomorrow. any ideas?

daewoomofo · Post by **daewoomofo** » Fri Jun 12, 2009 9:46 am

crank sensor?????????

sheepdizildawg · Post by **sheepdizildawg** » Fri Jun 12, 2009 3:24 pm

would that screw things up? thats the one down at the bottom on the outside by the alternator belt right?

wolfsreign · Post by **wolfsreign** » Fri Jun 12, 2009 5:03 pm

i think youre running a DOCH. cam snesor is in the middle top valve cover.
crank is at the way bottom where that big pully is, and you see those teeth on the backside, and the little thing on the left side about 3mm away from it. thats the crank sensor.
1 could be faulty sensors, like just need to be wiped off.
since its a misfire gotta check your boots and plugs. period. you should already know my boot jumping story, anyway, when you drive normal the CEL will just come on. when you push it hard (110mph) on the road, the CEL will flash telling you its constantly happening and that it might be really BAD. and usually when i get my 4th cyl misfire CEL on the freeway.. it wont stop flashing until i turn off the car.
so take ur cam sensor off, wipe it off, clean out the plugs
same with the crank sensor. wipe off the pully teeth.
pull the plugs from the valve cover and the wires, look for any lines across the gaps.
say this is a normal plug:

when it jumps, might look like:

the red and purple are jumping point, the brown can come from too much heat and such.
~wolf

sheepdizildawg · Post by **sheepdizildawg** » Fri Jun 12, 2009 9:36 pm

plugs and wires are both brand new.. got the code pulled again just a few minutes ago. p1404 GM code is EGR valve stuck open and p0301 which is misfire in cylinder 1

buddha102 · Post by **buddha102** » Fri Jun 12, 2009 10:16 pm

hmmmm....check washer fluid

sheepdizildawg · Post by **sheepdizildawg** » Fri Jun 12, 2009 10:58 pm

lol.. if only that easy.. anyone know where to get an egr valve for cheap? anyone selling one? $165 at autozone not looking to spend lots of money lol

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