When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I swapped the fuel pump and filter in my 03 without issue and checked twice to make sure everything was right, car won't start now? any tips? PS I've checked the trunk fuse it just cranks forever even with starting fluid, good battery, and battery getting jumped from a running car.
There is a control power fuse other then the power that passes through the relay in the trunk , this is point 29 circle double hash in the pic , # 15 / 10 amp left heelboard fuse box
This fuse requires the ignition positive relay to close in the left heelboard fuse box ( there are 2 ignition positive relays in this car )
In using starter fluid and no start it would indicate the ECU is not getting power , under the hood ignition positive relay and I think the EMS control relay
You would have to pull the relays out with the key in the run position to feel for them to click back open
Even though the relay can click getting the correct command it can still have bad power contacts inside lacking the ablity to transfer proper current to power your device
The inertia / crash switch can trip as it is fickle, and resetting does not always reset so you can use a paper clip between the 2 white wires in the connector
On replacing the fuel pump it is advisable to change the FP relay and inspect the fuel pump connector for burnt sockets , a bad failing pump will ruin these in some cases
You can put a jumper between sockets 3 and 5 to directly power the pump
Have you put your cylinders in a bore wash condition ?
I've gone ahead and tried the inertia switch and checked if I'm getting fuel to the engine. The inertia switch was good, I'm getting fuel to the engine as well though not a lot. haven't done a bore wash ever I don't think. though I'm gonna try. after examining the fuel pump relay it looks ancient and two of the male ends look almost burnt but how can you tell for sure i looked online for a blown relay and no good picture came up,gonna try the EMS relay next
Burnt relay sockets ( more like the internal power contact points ) and pump motor connector sockets are a sign the pump is giving out
You may not have enough pressure for a start
You can jumper the FP relay at socket 3 and 5 with a blade type jumper wire end pieces and it may give you enough pressure for a start but .....
If you had the supercharged engine you would have 2 pumps you can jumper
I would hold off anything else until you have 43 PSI fuel pressure or close
mines only the N/A i just replaced the pump so I'm surprised it's doing this, also what was the cylinder bore wash you were referring to, my engine was replaced with the previous owner so i have no idea if it was replaced with a pre 2002 engine. I'm gonna try to jump the relay in the morning i have nothing to do that with currently.
so i ran into a new problem the injectors are dry, there are sounds in the fuel rail but nothing to the injectors so it looks like we took a step back. the trip computer is saying 138 miles of range but the fuel gauge needle shows empty which is odd
Last edited by dashthehash; 02-18-2022 at 09:51 PM.
well that paper clip trick worked, didn't realize I hadn't put it on the rear fuel line that well . what would be the likely culprit since it seems to only work with this paper clip?
The relays will work as long as they have the same amperage rating so the fuel pump relay would be the same
the inertia switch is the same as well as the ignition switch that separates from the key barrel so no new key needed
The ignition switch controls the fuse box " king "relays like the 2 ignition positive relays one in the left heelboard fuse box and one in the engine compartment fuse box