Misfire and associated issues
#1
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Hi there...
Need some advice if I may..
have misfires on all cylinders..
When its cold in the morning runs real rough...
Cruise control not operational..
Spongy brakes
Just scannedscanned
P1316
P1313
P1314.... PLUS ALL MISFIRES ON ALL CYLINDERS...
When car has warmed up it drives like a dream after that no dash lights..cruise control is fine and brakes great....
what give???
Oxy sensor??????
Any advice greatly appreciated...thanks in advance
Need some advice if I may..
have misfires on all cylinders..
When its cold in the morning runs real rough...
Cruise control not operational..
Spongy brakes
Just scannedscanned
P1316
P1313
P1314.... PLUS ALL MISFIRES ON ALL CYLINDERS...
When car has warmed up it drives like a dream after that no dash lights..cruise control is fine and brakes great....
what give???
Oxy sensor??????
Any advice greatly appreciated...thanks in advance
#2
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BlownKitty (06-16-2021)
#4
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You need to have the car running (cold start) then spray starting fluid at each connection location shown in the pic above as well as around the intake manifold. If you get a change in r.p.m. That's where a problem lies. Visual inspection oftentimes can't detect a smaller leak or one like around the brake booster hose where it enters the manifold.
With those codes and misfires on every cylinder it is almost always a vacuum leak.
Next step if that fails, is just input the codes in the SEARCH function of this forum and start reading. Nearly everything that can and has gone wrong has been discussed here. Sometimes ad nauseam.
I sorta lightly lean towards a brake booster leak somewhere with "spongy brakes" but I hedge that with they could be two totally unrelated problems.
With those codes and misfires on every cylinder it is almost always a vacuum leak.
Next step if that fails, is just input the codes in the SEARCH function of this forum and start reading. Nearly everything that can and has gone wrong has been discussed here. Sometimes ad nauseam.
I sorta lightly lean towards a brake booster leak somewhere with "spongy brakes" but I hedge that with they could be two totally unrelated problems.
Last edited by Dell Gailey; 06-16-2021 at 04:33 PM.
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