Replaced fule pressure regulator now engine dying after start
March 23rd, 2019, 10:02 AM
#12
CF Beginner
Thread Starter
Join Date: Mar 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
So I finally got around to testing the fuel pressure. Its pretty much at 50 (+- 2) I read this is on the low side but should still be running. I've also had a trouble code pop up since last time: P0102 (Mass or Volume Air Flow Circuit Low Input). Wondering if maybe the MAF sensor has gone bad? I think this model the sensor is a frequency not a voltage sensor. Going to test that next. Is there anything else I'm missing or not thinking of? Just trying to cover all my bases before I have to drop the gas tank to change out the fuel pump.
March 23rd, 2019, 10:13 AM
#13
CF Veteran
If you have good pressure as tested I would not go after the pump; bet you have another problem. Please describe in detail what your problem was before you changed the regulator
March 23rd, 2019, 10:32 AM
#14
CF Beginner
Thread Starter
Join Date: Mar 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
When starting I would have to crank the engine for 3+ seconds and put the peddle on the floor to get it to start. If it was a really cold night (below freezing) sometimes it would start first crank.
March 23rd, 2019, 11:00 AM
#15
CF Beginner
Thread Starter
Join Date: Mar 2019
Posts: 7
Likes: 0
Received 0 Likes
on
0 Posts
So I reset the error codes and reset the computer by disconnecting the battery and grounding the cables. Re-connected them and started it up and got 2 error codes.
P0102 (Mass or Volume Air Flow Circuit Input) again
&
P0340 (Camshaft Position Sensor "A" Circuit.
Another thing I noticed is it sounds like the engine is trying to "suck" air into but can't get enough.
Any ideas are helpful
Thanks
P0102 (Mass or Volume Air Flow Circuit Input) again
&
P0340 (Camshaft Position Sensor "A" Circuit.
Another thing I noticed is it sounds like the engine is trying to "suck" air into but can't get enough.
Any ideas are helpful
Thanks
Last edited by Greenlantern77; March 23rd, 2019 at 11:16 AM.
March 23rd, 2019, 12:24 PM
#16
I'm here for the party
on my 02 i was only getting around 20 psi when everything i was reading said it wouldnt run below 50. i replaced the fuel filter and the pressure jump 5 psi. im not sure if you have replaced the fuel filter but it wont hurt anything. and those codes can come from a dirty or poor connection.
March 25th, 2019, 8:40 AM
#17
CF Monarch
on my 02 i was only getting around 20 psi when everything i was reading said it wouldnt run below 50. i replaced the fuel filter and the pressure jump 5 psi. im not sure if you have replaced the fuel filter but it wont hurt anything. and those codes can come from a dirty or poor connection.
March 28th, 2019, 3:33 PM
#18
CF Monarch
on my 02 i was only getting around 20 psi when everything i was reading said it wouldnt run below 50. i replaced the fuel filter and the pressure jump 5 psi. im not sure if you have replaced the fuel filter but it wont hurt anything. and those codes can come from a dirty or poor connection.
Sure its a pain unplugging connectors and applying it, but if it keeps the corrosion issues away from electrical connections, it's worth the time to do so. IMO.
